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

Problem: if the sides of a cube are in the ratio 5 : 3 . what is the ratio of their diagonals ?
5 : 3'

Problem: if a man lost 4 % by selling oranges at the rate of 72 a rupee at how many a rupee must he sell them to gain 44 % ?
48

Problem: if a sum of money doubles itself in 20 years at simple interest , the ratepercent per annum is

5