what is the smallest positive integer x , such that 1152 x is a perfect cube ?	Choices:
A) 4
B) 6
C) 8
D) 12
E) 18

Rationale: we need to make 1152 x a perfect cube , hence we need to have the powers a multiple of 3 1152 = 2 ^ 7 * 3 ^ 2 the minimum value of x for which 1152 x is a perfect cube = 2 ^ 2 * 3 = 12 correct option : d
Answer: D