what is the smallest number by which 3600 be divided to make it a perfect cube ?
Pick one:
A) 9
B) 50
C) 300
D) 450
E) 550

Rationale: solution 3600 = 23 * 52 * 32 * 2 . to make it a perfect cube , it must be divided by 52 * 32 * 2 i . e . , 450 . answer d
Answer: D