Can you solve the giant iron riddle? - Alex Gendler

Can you solve the giant iron riddle? - Alex Gendler with tags ted, ted-ed, ted ed, teded, ted education, alex gendler, artrake studio, animation, riddles, problem solving, giants, binomial coefficient, binomial theorem, pascal's triangle

Practice more problem-solving at https://brilliant.org/TedEd/Solution to bonus riddle: https://brilliant.org/TedEdGiantIron/The family of giants you work for is throwing a fancy dinner party, but theres a problem the elder giants favorite shirt is wrinkled! To fix it, youll need to power up the giant iron. It needs two batteries to work, but the baby giant mixed the working battery pile with the dead pile. Can you test the batteries so that you get a working pair in seven tries or less? Alex Gendler shows how. Lesson by Alex Gendler, directed by Artrake Studio.Thank you so much to our patrons for your support! Without you this video would not be possible! Merit Gamertsfelder, Bev Millar, Rishi Pasham, Jhuval, SookKwan Loong, Daniel Day, Nick Johnson, Bruno Pinho, Javier Aldavaz, Marc Veale, Boytsov Ilya, maxi kobi einy, Misaki Sato, Andrew Bosco, Nik Maier, Mark Morris, Tams Drvai, Adi V, Peter Liu, Leora Allen, Hiroshi Uchiyama, Julie Cummings-Debrot, Gilly, Ka-Hei Law, Maya Toll, Aleksandar Srbinovski, Ricardo Rendon Cepeda, Renhe Ji, Andrs Melo Gmez, Tim Leistikow, Chris, Megan Douglas, Barbara Smalley, Filip Dabrowski, Clair Chen, Vik Nagjee, Karen Goepen-Wee, Della Palacios, Bah Becerra, Marc Bilodeau, Ruby Solorzano, Ivan Tsenov, Claudia Mayfield, Yankai Liu, Duo Xu, Joy Love Om, Gi Nam Lee, Shawn Quichocho, Anika Westburg and Barun Padhy.