# پکیج TED Education ، سرفصل 5 : چیستان

## درباره‌ی این سرفصل:

What do giant cat armies, alien probes and river crossings have in common?

## این شامل 32 زیر است:

View full lesson- https-//ed.ted.com/lessons/can-you-solve-the-bridge-riddle-alex-gendler Want more? Try the buried treasure riddle- https-//www.youtube.com/watch?v=tCeklW2e6_E Taking that internship in a remote mountain lab might not have been the best idea. Pulling that lever with the skull symbol just to see what it did probably wasn't so smart either. But now is not the time for regrets because you need to get away from these mutant zombies...fast. Can you use math to get you and your friends over the bridge before the zombies arrive? Alex Gendler shows how. Lesson by Alex Gendler, animation by Artrake Studio.

View full lesson- http-//ed.ted.com/lessons/can-you-solve-the-three-gods-riddle-alex-gendler You and your team have crash-landed on an ancient planet. Can you appease the three alien overlords who rule it and get your team safely home? Created by logician Raymond Smullyan, and popularized by his colleague George Boolos, this riddle has been called the hardest logic puzzle ever. Alex Gendler shows how to solve it. Lesson by Alex Gendler, animation by Artrake Studio.

View full lesson- http-//ed.ted.com/lessons/can-you-solve-the-passcode-riddle-ganesh-pai In a dystopian world, your resistance group is humanity's last hope. Unfortunately, you've all been captured by the tyrannical rulers and brought to the ancient coliseum for their deadly entertainment. Will you be able to solve the passcode riddle and get everyone out safely? Ganesh Pai shows how. Lesson by Ganesh Pai, animation by Jun Zee Myers.

Practice more problem-solving at https-//brilliant.org/TedEd/ Sign up to be emailed the solution to the bonus riddle- https-//brilliant.org/tededpoisonapples/ You've been chosen as a champion to represent your wizarding house in a deadly duel against two rival magic schools. Your opponents are a powerful sorcerer who wields a wand that can turn people into fish, and a powerful enchantress who wields a wand that turns people into statues. Can you choose a wand and devise a strategy that ensures you will win the duel? Dan Finkel shows how. Lesson by Dan Finkel, animation by Artrake Studio. Thank you so much to our patrons for supporting us on Patreon! Without you this video would not be possible! Chris Adriaensen, Lowell Fleming, Amir Ghandeharioon, Anuj Tomar, Sunny Patel, Vijayalakshmi , Devesh Kumar, Uday Kishore, Aidan Forero, Leen Mshasha, Allan Hayes, Thomas Bahrman, Alexander Baltadzhiev, Vaibhav Mirjolkar, Tony, Michelle, Katie and Josh Pedretti, Erik Biemans, Gaurav Mathur, Sameer Halai, Hans Peng, Tekin Gultekin, Hector Quintanilla, PH Chua, Raheem , Penelope Misquitta, Ravi S. Ramphal, Emma Moyse, Fahad Nasser Chowdhury, Marin Kovachev, Roman Pinchuk, Mohamad Aiman Fitri Bin Annuar, Daniel Huerga, Maria Lerchbaumer, Kevin Le, Edgar Campos Barrachina, Dianne Palomar, The Brock, Curtis Light, Ernest Chow, Liana Switzer, Maija Chapman, Pamela Harrison, Dylan Drover, Mighterbump , Beatriz Inacio, Robert Hargis, Soma Ali, Mark wisdom, Mircea Sirbu, Ai Ejima, and Molly Gardner.

View full lesson- http-//ed.ted.com/lessons/can-you-solve-the-river-crossing-riddle-lisa-winer As a wildfire rages through the grasslands, three lions and three wildebeest flee for their lives. To escape the inferno, they must cross over to the left bank of a crocodile-infested river. Can you help them figure out how to get across on the one raft available without losing any lives? Lisa Winer shows how. Lesson by Lisa Winer, animation by Artrake Studio.

Practice more problem-solving at https-//brilliant.org/TedEd/ Solution to the bonus riddle mentioned at the end- https-//brilliant.org/TedEdTitanic/ Your interstellar police squad has tracked a group of criminals to a cluster of seven planets. Now you must apprehend them before their reinforcements arrive. Of course, the fugitives won't just stay put - they'll try to dodge you by moving from planet to planet. Can you devise a sequence for searching the planets that's guaranteed to catch them in ten warps or less? Edwin F. Meyer shows how. Lesson by Edwin F. Meyer, animation by TED-Ed. Thank you so much to our patrons for your support! Without you this video would not be possible! Penelope Misquitta, Ravi S. Ramphal, Emma Moyse, Fahad Nasser Chowdhury, Marin Kovachev, Roman Pinchuk, Mohamad Aiman Fitri Bin Annuar, Daniel Huerga, Maria Lerchbaumer, Kevin Le, Edgar Campos Barrachina, Dianne Palomar, Chris Buccellati, Curtis Light, Ernest Chow, Liana Switzer, Maija Chapman, Pamela Harrison, Dylan Drover, Mighterbump , Beatriz Inacio, Robert Hargis, Soma Ali, Mark wisdom, Mircea Sirbu, Ai Ejima, Molly Gardner, Irindany Sandoval, William Bravante, Elizabeth Parker, Sai Krishna Koyoda, Therapist Gus, Samuel Barbas, Betsy Feathers, Maxwell Ingram, Ajinkya Deshmukh, and Victoria Soler-Roig.

Practice more problem-solving at https-//brilliant.org/TedEd/ Sign up to be emailed the solution to the bonus riddle- https-//brilliant.org/tededm2s3/ The villainous Dr. Schrodinger has developed a growth ray and intends to create an army of giant cats to terrorize the city. Your team of secret agents has tracked him to his underground lab. You burst in to find... that it's a trap! Can you escape from Dr. Schrodinger's lair and save the day? Dan Finkel shows how. Lesson by Dan Finkel, animation by Artrake Studio. Thank you so much to our patrons for supporting us on Patreon! Without you this video would not be possible! Exal Enrique Cisneros Tuch, Ana Maria, Vignan Velivela, Ibel Wong, Ahmad Hyari, A Hundred Years, eden sher, Travis Wehrman, Minh Tran, Louisa Lee, Kiara Taylor, Hoang Viet, Nathan A. Wright, Jast3r, Arkadii Skaiuoker, Milad Mostafavi, Rob Johnson, Ashley Maldonado, Clarence E. Harper Jr., Bojana Golubovic, Mihail Radu Pantilimon, Benedict Chuah, Karthik Cherala, haventfiguredout, Violeta Cervantes, Elaine Fitzpatrick, Lyn-z Schulte, cnorahs , Henrique 'Sorin' Cassus, Tim Robinson, Kiarash Asar, Jun Cai, Paul Schneider, Amber Wood, Ophelia Gibson Best, Cas Jamieson, Michelle Stevens-Stanford, Phyllis Dubrow, Andreas Voltios, Eunsun Kim, Philippe Spoden, Samantha Chow, Armando Ello, Ayala Ron, Manognya Chakrapani, Simon Holst Ravn, Doreen Reynolds-Consolati, Rakshit Kothari, Melissa Sorrells, and Antony Lee.

Practice more problem-solving at https-//brilliant.org/TedEd/ Solution to Bonus Riddle- https-//brilliant.org/TedEd3ColorCube/ Your team has developed a probe to study an alien monolith. It needs protective coatings -- in red, purple or green -- to cope with the environments it passes through. Can you figure out how to apply the colors so the probe survives the trip? Dan Finkel shows how. Lesson by Dan Finkel, directed by Anton Trofimov. Thank you so much to our patrons for supporting us on Patreon! Without you this video would not be possible! Ken, James Bruening, Michael Braun-Boghos, Ricardo Diaz, Kack-Kyun Kim, Artem Minyaylov, Danny Romard, Yujing Jiang, Stina Boberg, Anthony Wiggins, Hoai Nam Tran, Joe Sims, David Petrovic, Chris Adriaensen, Lowell Fleming, Sunny Patel, Vijayalakshmi , Uday Kishore, Aidan Forero, Leen Mshasha, Allan Hayes, Vaibhav Mirjolkar, Tony, Michelle, Katie and Josh Pedretti, Erik Biemans, Gaurav Mathur, Hans Peng, Tekin Gultekin, Hector Quintanilla, Penelope Misquitta, Ravi S. Ramphal, Emma Moyse, Fahad Nasser Chowdhury, Marin Kovachev, Roman Pinchuk, Daniel Huerga, Maria Lerchbaumer, Edgar Campos Barrachina, Dianne Palomar, The Brock, Curtis Light, Ernest Chow, Liana Switzer, Maija Chapman, Pamela Harrison, Mighterbump , Beatriz Inacio, Robert Hargis, Mircea Sirbu, Irindany Sandoval and William Bravante.

View full lesson- http-//ed.ted.com/lessons/can-you-solve-the-prisoner-hat-riddle-alex-gendler Want more? Try the buried treasure riddle- https-//www.youtube.com/watch?v=tCeklW2e6_E You and nine other individuals have been captured by super-intelligent alien overlords. The aliens think humans look quite tasty, but their civilization forbids eating highly logical and cooperative beings. Unfortunately, they're not sure whether you qualify, so they decide to give you all a test. Can you solve this hat riddle? Alex Gendler shows how. Lesson by Alex Gendler, animation by Artrake Studio.

View full lesson- http-//ed.ted.com/lessons/can-you-solve-the-temple-riddle-dennis-e-shasha Your expedition finally stands at the heart of the ancient temple. But as you study the inscriptions in the darkness, two wisps of green smoke burst forth. The walls begin to shake. The giant sandglass begins flowing with less than an hour before it empties, and a rumbling tells you that you don't want to be around when that happens. Can you use math to escape the temple? Dennis E. Shasha shows how. Lesson by Dennis E. Shasha, animation by Artrake Studio.

View full lesson- http-//ed.ted.com/lessons/can-you-solve-the-frog-riddle-derek-abbott You're stranded in a rainforest, and you've eaten a poisonous mushroom. To save your life, you need an antidote excreted by a certain species of frog. Unfortunately, only the female frog produces the antidote. The male and female look identical, but the male frog has a distinctive croak. Derek Abbott shows how to use conditional probability to make sure you lick the right frog and get out alive. Lesson by Derek Abbott, animation by Artrake Studio.

View full lesson- http-//ed.ted.com/lessons/can-you-solve-the-pirate-riddle-alex-gendler It's a good day to be a pirate. Amaro and his four mateys - Bart, Charlotte, Daniel, and Eliza have struck gold - a chest with 100 coins. But now, they must divvy up the booty according to the pirate code -- and pirate code is notoriously complicated. Can you help come up with the distribution that Amaro should propose to make sure he lives to tell the tale? Alex Gendler shows how. Lesson by Alex Gendler, animation by Artrake Studio.

View full lesson- http-//ed.ted.com/lessons/can-you-solve-the-fish-riddle-steve-wyborney As the cargo director on the maiden voyage of the S.S. Buoyant, you've agreed to transport several tanks containing the last specimens of an endangered fish species to their new aquarium. Unfortunately, the boat is battered by a fierce storm, throwing your precious cargo overboard. Can you get the fish to safety and save the day? Steve Wyborney shows how. Lesson by Steve Wyborney, animation by Artrake Studio.

If you enjoy our riddles, we highly recommend reading The Number Devil- https-//amzn.to/2kO7S8P Check out our book rec page to learn more- http-//bit.ly/2JqwgLE View full lesson- https-//ed.ted.com/lessons/can-you-solve-the-penniless-pilgrim-riddle-daniel-finkel After months of travel, you've arrived at Duonia, home to the famous temple that's the destination of your pilgrimage. The walk from the welcome center to the temple isn't a long one ... but there's a problem. Can you outsmart the city's imposed tax and make it to the temple without paying a fee? Daniel Finkel shows how. Lesson by Daniel Finkel, animation by Artrake Studio. Thank you so much to our patrons for your support! Without you this video would not be possible! Tan YH, Brittiny Elman, Mayra Urbano, Ruth Fang, Kostadin Mandulov, Alex Schenkman, Sdiep Sriram, Ivan Todorovic, Antero Semi, Yanuar Ashari, Mrinalini, Anthony Kudolo, Scott Gass, Querida Owens, Hazel Lam, Manav parmar, Dwight Tevuk, Stephen A. Wilson, Siamak H, Dominik Kugelmann, Katie Winchester, Mary Sawyer, David Rosario, Samuel Doerle, Be Owusu, Susan Herder, Savannah Scheelings, Prasanth Mathialagan, Yanira Santamaria, Chad Harper, Dawn Jordan, Constantin Salagor, Activated Classroom Teaching, Kevin Wong, Umar Farooq, Goh Xiang Ting Diana, Dmitry Neverov, Tushar Sharma, Cristobal Medina Moenne, MJ Tan Mingjie, Yansong Li, Jason A Saslow, Joanne Luce, Henry Li, Kyle Nguyen, Taylor Hunter, Noa Shore, Lex Azevedo, Merit Gamertsfelder, and Bev Millar.

Practice more problem-solving at https-//brilliant.org/TEDEd/ View full lesson- https-//ed.ted.com/lessons/can-you-solve-the-buried-treasure-riddle-daniel-griller After a massive storm tears through the Hex Archipelago, you find five grizzled survivors in the water. As an act of gratitude for saving them, they reveal a secret - the island they were just on holds some buried treasure. But when the sailors try to describe the island, something seems off. Can you find the booty despite their strange instructions? Daniel Griller shows how. Lesson by Daniel Griller, animation by Patrick Smith. Thank you so much to our patrons for your support! Without you this video would not be possible! Cailin Ramsey, Seung Hoon Shin, John Saveland, Nicolle Fieldsend-Roxborough, Venkat Venkatakrishnan, Sandy Nasser, CG Nobles, Yoga Trapeze Wanderlust, Jaron Blackburn, Alejandro Cachoua, Thomas Mungavan, Elena Crescia, Edla Paniguel, Anna-Pitschna Kunz, Tim Armstrong, Alessandro , Erika Blanquez, zjweele13 , Judith Benavides, Znosheni Kedy, Caitlin de Falco, Scheherazade Kelii, Errys , Kack-Kyun Kim, Alexandrina Danifeld, Stina Boberg, Anthony Wiggins, Hoai Nam Tran, Joe Sims, David Petrovic, Chris Adriaensen, Lowell Fleming, Lorenzo Margiotta, Amir Ghandeharioon, Anuj Tomar, Sunny Patel, Vijayalakshmi , Devesh Kumar, Uday Kishore, Aidan Forero, Allan Hayes, Thomas Bahrman, Alexander Baltadzhiev, Vaibhav Mirjolkar, Tony, Michelle, Katie and Josh Pedretti, Erik Biemans, Gaurav Mathur, Sameer Halai, Hans Peng, Tekin Gultekin, Thien Loc Huynh, PH Chua, Varinia Bohoslavsky, Penelope Misquitta, and Ravi S. Ramphal.

Practice more problem-solving at https-//brilliant.org/TedEd/ Solution to Bonus Riddle- https-//brilliant.org/TedEdRoboAnts/ The good news is that your experimental robo-ants are a success. The bad news is that you accidentally gave them the ability to shoot deadly lasers ... and you can't turn it off. Can you stop them from escaping their habitat before the lasers are activated? Dan Finkel shows how. Lesson by Dan Finkel, directed by Artrake Studio. Thank you so much to our patrons for supporting us on Patreon! Without you this video would not be possible! Armando Ello, Ayala Ron, Manognya Chakrapani, Doreen Reynolds-Consolati, Melissa Sorrells, Antony Lee, Husain Mohammad, Come Vincent, Astia Rizki Safitri, Alan Froese, alessandra tasso, Gerald Onyango, Katrina Harding, Ezgi Yersu, Katie Dean, Kin Lon Ma, Carsten Tobehn, Jeremy Fryd, Charlene You, Carolyn Corwin, rakesh Katragadda, Sergi Paez, Jorgen Osterpart, Cindy O., Nicu Boanda, Reagen O'Connor, Sabrina Gonzalez, Dino, Hadi Salahshour, Clement, Nick Debenedictis, Abdullah Altuwaijri, Jessie McGuire, Divina Grace Dar Santos, Brian Richards, Farah Abdelwahab, Mikhail Shkirev, Malcolm Callis, David Matthew Ezroj, Ever Granada, fatima kried, Begum Tutuncu, Lala Arguelles, Mehmet Sencer KARADAYI, Christian Kurch, SungGyeong Bae, Luis Felipe Ruiz Langenscheidt, Joe Huang, Rohan Gupta and Senjo Limbu.

Sign up for our newsletter and never miss an animation- http-//bit.ly/TEDEdNewsletter One hundred green-eyed logicians have been imprisoned on an island by a mad dictator. Their only hope for freedom lies in the answer to one famously difficult logic puzzle. Can you solve it? Alex Gendler walks us through this green-eyed riddle. Lesson by Alex Gendler, animation by Artrake Studio.

View full lesson- http-//ed.ted.com/lessons/can-you-solve-the-locker-riddle-lisa-winer Your rich, eccentric uncle just passed away, and you and your 99 nasty relatives have been invited to the reading of his will. He wanted to leave all of his money to you, but he knew that if he did, your relatives would pester you forever. Can you solve the riddle he left for you and get the inheritance? Lisa Winer shows how. Lesson by Lisa Winer, animation by Artrake Studio.

View full lesson- http-//ed.ted.com/lessons/can-you-solve-the-virus-riddle-lisa-winer Your research team has found a prehistoric virus preserved in the permafrost and isolated it for study. After a late night working, you're just closing up the lab when a sudden earthquake hits and breaks all the sample vials. Will you be able to destroy the virus before the vents open and unleash a deadly airborne plague? Lisa Winer shows how. Lesson by Lisa Winer, animation by Artrake Studio.

View full lesson- http-//ed.ted.com/lessons/can-you-solve-the-control-room-riddle-dennis-shasha As your country's top spy, you must infiltrate the headquarters of the evil syndicate, find the secret control panel, and deactivate their death ray. But your reconnaissance team is spotty, and you have only limited information about the control panel's whereabouts. Can you solve the control room riddle and deactivate their weapon in time? Dennis Shasha shows you how. Lesson by Dennis Shasha, animation by Zedem Media.

Check out our Patreon page- https-//www.patreon.com/teded View full lesson- https-//ed.ted.com/lessons/can-you-solve-the-egg-drop-riddle-yossi-elran The city has just opened its one-of-a-kind Faberge Egg Museum, with a single egg displayed on each floor of a 100-story building -- and the world's most notorious jewel thief already has her eyes on the prize. Can you help the thief formulate a plan that will drop the most expensive egg she can get safely into her waiting truck? Yossi Elran shows how. Lesson by Yossi Elran, directed by Artrake Studio. Thank you so much to our patrons for your support! Without you this video would not be possible! Yuh Saito, Sarabeth Knobel, Quentin Le Menez, Mattia Veltri, Fabian Amels, Sandra Tersluisen, Marcel Trompeter-Petrovic, PnDAA, Jose Fernandez-Calvo, Steph, Zhexi Shan, Gustavo Mendoza, Barbara Nazare, Josh Engel, Natalia Rico, Andrea Feliz, Olivier Brunel, Bernardo Paulo, Victor E Karhel, Sydney Evans, Latora Slydell, Noel Situ, Elliot Poulin, Emily Lam, Alex Neal.

Practice more problem-solving at https-//brilliant.org/TedEd/ Solution to the bonus riddle mentioned at the end- https-//brilliant.org/tededprobabilitypairs/ Mining unobtainium is hard work - the rare mineral appears in only 1% of rocks in the mine. But your friend Tricky Joe has something up his sleeve. The unobtainium detector he's been perfecting for months is finally ready, and it returns accurate readings 90% of the time. But can it really be trusted? Alex Gendler explains the false positive paradox. Lesson by Alex Gendler, animation by Artrake Studio. Thank you so much to our patrons for supporting us on Patreon! Without you this video would not be possible! Tan YH, Brittiny Elman, Mayra Urbano, Ruth Fang, Kostadin Mandulov, Alex Schenkman, Sdiep Sriram, Ivan Todorovic, Antero Semi, Yanuar Ashari, Mrinalini, Anthony Kudolo, Scott Gass, Querida Owens, Hazel Lam, Manav parmar, Dwight Tevuk, Stephen A. Wilson, Siamak H, Dominik Kugelmann, Katie Winchester, Mary Sawyer, David Rosario, Samuel Doerle, Be Owusu, Susan Herder, Savannah Scheelings, Prasanth Mathialagan, Yanira Santamaria, Chad Harper, Dawn Jordan, Constantin Salagor, Activated Classroom Teaching, Kevin Wong, Umar Farooq, Goh Xiang Ting Diana, Dmitry Neverov, Tushar Sharma, Cristobal Medina Moenne, MJ Tan Mingjie, Yansong Li, Jason A Saslow, Joanne Luce, Henry Li, Kyle Nguyen, Taylor Hunter, Noa Shore, Lex Azevedo, Merit Gamertsfelder, and Bev Millar.

Practice more problem-solving at https-//brilliant.org/TedEd/ Sign up to be emailed the solution to the bonus riddle- https-//brilliant.org/TedEdPoisonChocolate/ A hostile artificial intelligence called NIM has taken over the world's computers. You're the only person skilled enough to shut it down, and you'll only have one chance. Can you survive and shut off the artificial intelligence? Dan Finkel shows how. Lesson by Dan Finkel, directed by Artrake Studio. Thank you so much to our patrons for your support! Without you this video would not be possible! Jordan Tang, Christopher Jimenez, Juan, Tracey Tobkin, Sid, emily lam, Kathryn J Hammond, Elliot Poulin, Noel Situ, Oyuntsengel Tseyen-Oidov, Latora Slydell, Sydney Evans, Victor E Karhel, Bernardo Paulo, Eysteinn Gudnason, Andrea Feliz, Natalia Rico, Josh Engel, Barbara Nazare, Gustavo Mendoza, Zhexi Shan, Hugo Legorreta, PnDAA, Sandra Tersluisen, Ellen Spertus, Fabian Amels, sammie goh, Mattia Veltri, Quentin Le Menez, Yuh Saito, Joris Debonnet, Heather Slater, Dr Luca Carpinelli, Janie Jackson, Christophe Dessalles, Arturo De Leon, Eduardo Briceno, Bill Feaver, Ricardo Paredes, David Douglass, Grant Albert, Paul Coupe, Jen, Megan Whiteleather, and Mayank Kaul.

View full lesson- http-//ed.ted.com/lessons/can-you-solve-einstein-s-riddle-dan-van-der-vieren View all the clues here- http-//ed.ted.com/lessons/can-you-solve-einstein-s-riddle-dan-van-der-vieren#digdeeper Before he turned physics upside down, a young Albert Einstein supposedly showed off his genius by devising a complex riddle involving a stolen exotic fish and a long list of suspects. Can you resist tackling a brain teaser written by one of the smartest people in history? Dan Van der Vieren shows how. Lesson by Dan Van der Vieren, animation by Artrake Studio.

View full lesson- http-//ed.ted.com/lessons/can-you-solve-the-prisoner-boxes-riddle-yossi-elran Want more? Try your hand at the buried treasure riddle- https-//www.youtube.com/watch?v=tCeklW2e6_E Your favorite band is great at playing music...but not so great at being organized. They keep misplacing their instruments on tour, and it's driving their manager mad. Can you solve the brain-numbing riddle their manager assigns them and make sure the band stays on their label? Yossi Elran shows how. Lesson by Yossi Elran, animation by Artrake Studio.

View full lesson- http-//ed.ted.com/lessons/can-you-solve-the-counterfeit-coin-riddle-jennifer-lu You're the realm's greatest mathematician, but ever since you criticized the Emperor's tax laws, you've been locked in the dungeon. Luckily for you, one of the Emperor's governors has been convicted of paying his taxes with a counterfeit coin, which has made its way into the treasury. Can you earn your freedom by finding the fake? Jennifer Lu shows how. Lesson by Jennifer Lu, animation by Artrake Studio.

View full lesson- http-//ed.ted.com/lessons/can-you-solve-the-airplane-riddle-judd-a-schorr Professor Fukano, the famous scientist, has embarked on a new challenge - piloting around the world in a plane of his own design. There's just one problem- there's not enough fuel to complete the journey. Luckily, there are two other planes to help. Can you help the professor fly for the whole trip and achieve his dream, without anyone running out of fuel and crashing? Judd A. Schorr shows how. Lesson by Judd A. Schorr, animation by Artrake Studio.

Practice more problem-solving at https-//brilliant.org/TedEd/ Solution to the bonus riddle mentioned at the end- https-//brilliant.org/tededcoinflip You heard the travelers' tales, you followed the maps, and now, you've finally located the dungeon containing a stash of ancient coins. The good news- the wizard who owns the castle has generously agreed to let you have the coins. The bad news- he's not quite as generous about letting you leave the dungeon ... unless you solve his puzzle. Can you solve it and get out alive? Lisa Winer shows how. Lesson by Lisa Winer, animation by Artrake Studio. Thank you so much to our patrons for supporting us on Patreon! Without you this video would not be possible! slTn lkhlyfy, Marylise CHAUFFETON, Marvin Vizuett, Jayant Sahewal, Joshua Plant, Quinn Shen, Caleb ross, Elizabeth Cruz, Elnathan Joshua Bangayan, Gaurav Rana, Mullaiarasu Sundaramurthy, Jose Henrique Leopoldo e Silva, Dan Paterniti, Jose Schroeder, Jerome Froelich, Tyler Yoshizumi, Martin Stephen, Faiza Imtiaz, Khalifa Alhulail, Tejas Dc, Govind Shukla, Benjamin & Shannon Pinder, Srikote Naewchampa, Ex Foedus, Sage Curie, Exal Enrique Cisneros Tuch, Ana Maria, Vignan Velivela, Ibel Wong, Ahmad Hyari, A Hundred Years, eden sher, Travis Wehrman, Minh Tran, Louisa Lee, Kiara Taylor, and Hoang Viet.

Practice more problem-solving at https-//brilliant.org/TedEd/ Solution to Bonus Riddle- https-//brilliant.org/tededautobiographical/ You've found Leonardo da Vinci's secret vault, secured by a series of combination locks. Fortunately, your treasure map has three codes- 1210, 3211000, and... hmm. The last one appears to be missing. Can you figure out the last number and open the vault? Tanya Khovanova shows how. Lesson by Tanya Khovanova, directed by Artrake Studio. Thank you so much to our patrons for your support! Without you this video would not be possible!

Practice more problem-solving at https-//brilliant.org/TedEd/ Solution to Bonus Riddle- https-//brilliant.org/tededmislabelledboxes/ You're overseeing the delivery of supplies to a rebel base in the heart of enemy territory. To get past customs, all packages must follow this rule- if a box is marked with an even number on the bottom, it must be sealed with a red top. One of the four boxes was sealed incorrectly, but they lost track of which one. Can you figure out which box it is and save the day? Alex Gendler shows how. Lesson by Alex Gendler, directed by Artrake Studio. Thank you so much to our patrons for supporting us on Patreon! Without you this video would not be possible! Jordan Tang, Christopher Jimenez, Juan, Tracey Tobkin, Sid, emily lam, Kathryn J Hammond, Elliot Poulin, Noel Situ, Latora Slydell, Sydney Evans, Victor E Karhel, Eysteinn Gudnason, Andrea Feliz, Natalia Rico, Josh Engel, Barbara Nazare, Zhexi Shan, PnDAA, Sandra Tersluisen, Ellen Spertus, Fabian Amels, sammie goh, Mattia Veltri, Quentin Le Menez, Yuh Saito, Heather Slater, Dr Luca Carpinelli, Christophe Dessalles, Arturo De Leon, Eduardo Briceno, Ricardo Paredes, David Douglass, Grant Albert, Jen , Megan Whiteleather, Mayank Kaul, Ryohky Araya, Tan YH, Ph.D., Brittiny Elman, Kostadin Mandulov, Yanuar Ashari, Mrinalini, Anthony Kudolo, Querida Owens, Hazel Lam, Manav parmar, Siamak H, and Dominik Kugelmann,

Practice more problem-solving at https-//brilliant.org/TedEd/ Solution to Bonus Riddle- https-//brilliant.org/TedEdRuby/ Townspeople are demanding that a corrupt merchant's collection of 30 rubies be confiscated to reimburse the victims of his schemes. The king announces that the fine will be determined through a game of wits between the merchant and the king's most clever advisor - you. Can you outfox the merchant and win back the greatest amount of rubies to help his victims? Dennis Shasha shows how. Lesson by Dennis Shasha, directed by Artrake Studio. Thank you so much to our patrons for supporting us on Patreon! Without you this video would not be possible! Sydney Evans, Victor E Karhel, Eysteinn Gudnason, Andrea Feliz, Natalia Rico, Josh Engel, Barbara Nazare, Zhexi Shan, PnDAA, Sandra Tersluisen, Ellen Spertus, Fabian Amels, sammie goh, Mattia Veltri, Quentin Le Menez, Yuh Saito, Heather Slater, Dr Luca Carpinelli, Christophe Dessalles, Arturo De Leon, Eduardo Briceno, Ricardo Paredes, David Douglass, Grant Albert, Jen, Megan Whiteleather, Mayank Kaul, Ryohky Araya, Tan YH, Ph.D., Brittiny Elman, Kostadin Mandulov, Yanuar Ashari, Mrinalini , Anthony Kudolo, Querida Owens, Hazel Lam, Manav parmar, Siamak H, Dominik Kugelmann, Mary Sawyer, David Rosario, Samuel Doerle, Susan Herder, Prasanth Mathialagan, Yanira Santamaria, Dawn Jordan, Constantin Salagor, Kevin Wong and Umar Farooq.

Practice more problem-solving at https-//brilliant.org/TedEd/ Signup to receive the bonus riddle's solution- https-//brilliant.org/TedEdWerewolf/ You're on the trail of a werewolf that's been terrorizing your town. After months of detective work, you've narrowed your suspects to one of five people. You've invited them to dinner with a simple plan- to slip a square of a rare antidote into each of their dinners. Unfortunately, you only have one square left. Can you divide it into perfect fifths and cure the werewolf? Dan Finkel shows how. Lesson by Dan Finkel, directed by Artrake Studio. Thank you so much to our patrons for your support! Without you this video would not be possible! Ken, James Bruening, Michael Braun-Boghos, Ricardo Diaz, Kack-Kyun Kim, Artem Minyaylov, Danny Romard, Yujing Jiang, Stina Boberg, Anthony Wiggins, Hoai Nam Tran, Joe Sims, David Petrovic, Chris Adriaensen, Lowell Fleming, Sunny Patel, Vijayalakshmi , Uday Kishore, Aidan Forero, Leen Mshasha, Allan Hayes, Vaibhav Mirjolkar, Tony, Michelle, Katie and Josh Pedretti, Erik Biemans, Gaurav Mathur, Hans Peng, Tekin Gultekin, Hector Quintanilla, Penelope Misquitta, Ravi S. Ramphal, Emma Moyse, Fahad Nasser Chowdhury, Marin Kovachev, Roman Pinchuk, Daniel Huerga, Maria Lerchbaumer, Edgar Campos Barrachina, Dianne Palomar, The Brock, Curtis Light, Ernest Chow, Liana Switzer, Maija Chapman, Pamela Harrison, Mighterbump , Beatriz Inacio, Robert Hargis, Mircea Sirbu, Irindany Sandoval and William Bravante.

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