Latest GMAT Aptitude Question SOLUTION: What is the minimum value of the positive integer n? (1) 1250 × 2 × 3 × 5 × n is a perfect square. (2) n! has only two zeroes as last digits. (A) Statement (1) alone is su

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What is the minimum value of the positive integer n?

(1) 1250 × 2 × 3 × 5 × n is a perfect square.
(2) n! has only two zeroes as last digits.

(A) Statement (1) alone is sufficient, but statement (2) is not sufficient.
(B) Statement (2) alone is sufficient, but statement (1) is not sufficient.
(C) Statements (1) and (2) together are sufficient to answer the question.
(D) Either statement alone is sufficient to answer the question.
(E) Statements (1) and (2) taken together are NOT sufficient to answer the question

Solution

A is due to mistake here.
After removing A the 1st statement is 1240-n so for making it a perfect square n should be 15 (minimum)
for the truth of second statement n should be 10(minimum)
so D is correct

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Asked In GMAT Naveen (13 years ago)

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