Like math? Like puzzles? Then meet Bojagi, a game created by David Radcliffe (@daveinstpaul). It looks simple enough. A grid has a few numbers in it. The goal is to draw a rectangle around each number ...

Shah Rukh Khan and Anand Mahindra have taken to social media to laud a math teacher's unique but very simple multiplication formula. In a video that has gone viral, a teacher can be seen teaching her ...