GMAT Practice Question Set #61 (Question 181-183)

Problem Solving Question #183: Expression must be an integer  
Time 0 0 : 0 0 : 0 0

If n and y are positive integers and 450y = n3, which of the following must be an integer? 

I. `y/(3*2^2*5)` 

II. `y/(3^2*2*5)` 

III. `y/(3*2*5^2)`

(A)

None

(B)

I only

(C)

II only

(D)

III only

(E)

I, II, and III

GMATTM is a registered trademark of the Graduate Management Admission CouncilTM. The Graduate Management Admission CouncilTM does not endorse, nor is it affiliated in any way with the owner or any content of this web site.