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

[EX Q]: Problem: if the simple interest on a sum of money for 2 years at 5 % per annum is rs . 52 , what is the compound interest on the same sum at the rate and for the same time ?
[EX A]: s . 53.30

[EX Q]: Problem: a number x is 5 times another number y . the percentage that y is less than x is
[EX A]: 80 %

[EX Q]: Problem: praveen starts business with rs . 3920 and after 5 months , hari joins with praveen as his partner . after a year , the profit is divided in the ratio 2 : 3 . what is hari ’ s contribution in the capital ?
[EX A]:
s . 10080