IBM Company Numerical Ability Time Distance and Speed

. One student takes 20 mins to reach school if he goes at a speed of 15kmph .At what speed should
he go to
reach in 15 min

Read Solution (Total 7)

IBM Other Question

If A driver drives a car four times a lap 10,20 30,60 kmph what is his average speed. In a box, there are 8 red, 7 blue and 6 green balls. One ball is picked up randomly. What is the probability that it is neither red nor green?

Options
1) 1/3
2) 3/4
3) 7/19
4) 8/21
5) 9/21