The decimal representation of a rational number p/q is a terminating decimal only if for non-negative integers m and n,

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The decimal representation of a rational number p/q is a terminating decimal only if for non-negative integers m and n, prime factors of q are of the form

(A) 2m x 3n
(B) 3m x 5n
(C) 3n x 7n
(D) 2m x 5n

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Correct answer is (D) 2m x 5n