This math question meant for 7-year-olds has everyone stumped Ifeadi C. 03:56 Mashable, Zero Tech Blog Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsOnePlus 6T launch date moved because of Apple iPad eventThis absurd parody proves that all TED Talks really do sound the sameLime's new e-scooter will tell you where you can't parkA must-have for any meditation fanatic - Mashable DealsBest 4K TV sales this weekend: Sony, LG, Samsung, VIZIO, and moreThe ice cream scoop you always wanted - Mashable Deals