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

Problem: find the least number must be subtracted from 62575 so that remaining number is divisible by 99 .
7

Problem: a train crosses a bridge of length 200 m in 10 seconds and a lamp post on the bridge in 5 seconds . what is the length of the train in metres ?
200 m

Problem: the height of a triangle is decreased by 5 % and its base increased by 10 % . its area will

increase by 4.5 %', 'd ) increase by 25 %', 'e ) none of these'