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

[EX Q]: Problem: the curved surface of a sphere is 64 π cm 2 . find its radius ?
[EX A]: 4', 'd ) 9', 'e ) 7'

[EX Q]: Problem: evaluate : 96385 + 12 * 3 * 25 = ?
[EX A]: 96485

[EX Q]: Problem: when positive integer x is divided by 11 , the quotient is y and the remainder is 4 . when 2 x is divided by 5 , the quotient is 3 y and the remainder is 4 . what is the value of 4 y – x ?
[EX A]:
0