GRE Question of the Day (February 4)

By - Feb 4, 02:00 AM Comments [0]

Math

How many 3-digit integers can be chosen such that none of the digits appear more than twice, and none of the digits equal 0?

(A) 729
(B) 720
(C) 648
(D) 640
(E) 576

Correct Answer – – (click and drag your mouse to see the answer)

Question Discussion & Explanation

 

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