(7/84) of (12/156) of 4680 = 45 – ?

Direction: What value should come in the place of (?) in the following questions.

Q) (7/84) of (12/156) of 4680 = 45 – ?

A.            15

B.            20

C.            25

D.            30

E.            None of these

Sol:

(7/84)*(12/156)*4680 = 45 – x

30 = 45 – x

x = 45 – 30 = 15