The accent of the interviewer was extremely hard to understand, which led some serious misunderstanding. The questions were simple math problems. Like a ball drops from 4 meters high, and every time it hits the ground, it bounces up 3/4 the height from which it falls. What is the total distance the ball goes till the end? A cell divides into 2 cells every 30 min, how many will we have after 24 hrs if we start with 1 cell?