multiples

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multiples

by divya23 » Mon Jun 13, 2011 10:15 pm
if n is a multiple of 5 and n = p^2q and p and q are prime numbers which of the following is a multiple of 25
p^2
q^2
pq
p^2q^2
p^3q

[spoiler]ans = 4[/spoiler]
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by edvhou812 » Mon Jun 13, 2011 11:43 pm