57. 7044-!-item-!-187;#058&005427
If n is a multiple of 5 and n = (p^2)q, where p and q are prime numbers, which of the following must be a multiple of 25 ?
(A) p^2
(B) q^2
(C) pq
(D) (p^2)(q^2)
(E) (p^3)q
Ans:D
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