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Can someone explain this answer
If n is a positive integer and n^2 [n square ] is divisible by 72, then the largest positive integer that must divide n is
A) 6
B) 12
C) 24
D) 36
E) 48
Answer B
nothing in the question stops you from choosing answer E , 48 . Can someone explain.
TIA.
- by mad.grad
Sun Mar 15, 2009 5:53 pm- Forum: Problem Solving
- Topic: Can someone explain this answer
- Replies: 4
- Views: 1307