A number N is selected at random from the set { 19, 20, 21, 22, 23, 24, 25, 26, 27, 28 }, then the probability that N! ends in exactly 5 zeroes is (A) 1/10 (B) 3/10 (C) 2/5 (D) none of this NB: N! denotes factorial of N.

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