Mahindra shares video of Math teacher's shortcut method, SRK says 'wow'

Mahindra Group Chairman Anand Mahindra has shared a video which shows a teacher teaching students a method to memorise multiplication table of 9. He tweeted, "Whaaaat? I didn't know about this clever shortcut. Wish she had been MY math teacher." Replying to his tweet, Shah Rukh Khan wrote, "Can't tell you how many of my life's issues this...has solved wow!"