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Khalid.B
- Newbie | Next Rank: 10 Posts
- Posts: 3
- Joined: Sat May 23, 2009 11:20 pm
- Location: Saudi Arabia
If n and y are positive integers and 450y = n^3, which of the following must be an integer?
I. y/(3 x 2^2 x 5)
II. y/(3^2 x 2 x 5)
III. y/(3 x 2^2 x 5^2)
A. None
B. I only
C. II only
D. III only
E. I, II, and III
Correct answer is
B
I. y/(3 x 2^2 x 5)
II. y/(3^2 x 2 x 5)
III. y/(3 x 2^2 x 5^2)
A. None
B. I only
C. II only
D. III only
E. I, II, and III
Correct answer is
B
