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GMAT Club

GMAT Question of the Day (March 1)

Jeff 0

Math

If n is a positive integer is n^2-n divisible by 12 ?

 

(1) n is divisible by 11.

(2) n is divisible by 19.

Question Discussion & Explanation
Correct Answer - E - (click and drag your mouse to see the answer)

Math Revolution

Verbal

The gyrfalcon, an Arctic bird of prey, has survived a close brush with extinction; its numbers are now five times greater than when the use of DDT was sharply restricted in the early 1970's.

(A) extinction; its numbers are now five times greater than

(B) extinction; its numbers are now five times more than

(C) extinction, their numbers now fivefold what they were

(D) extinction, now with fivefold the numbers they had

(E) extinction; its numbers are now five times greater than what they were

Question Discussion & Explanation

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

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