The task is to generate the correct answer for a given math problem.

Problem: a jeep takes 9 hours to cover a distance of 480 km . how much should the speed in kmph be maintained to cover the same direction in 3 / 2 th of the previous time ?
35 kmph

Problem: what least number must be subtracted from 13294 so that the remainder is exactly divisible by 97 ?
5

Problem: the probability of two events a and b are 0.25 and 0.40 respectively . the probability that both a and b occur is 0.15 . the probability that neither a nor b occur is _________

0.5