Numbers - General Aptitude

Q1:

Which of the following numbers will completely divide (325 + 326 + 327 + 328) ?

A 11

B 16

C 25

D 30

ANS:D - 30

(325 + 326 + 327 + 328) = 325 x (1 + 3 + 32 + 33) = 325 x 40      = 324 x 3 x 4 x 10      = (324 x 4 x 30), which is divisible by30.