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GMAT Club

GMAT Question of the Day (April 20)

Jeff 0

Math

Is the units digit of integer x^2 - y^2 a zero?

 

(1) x - y is an integer divisible by 30

(2) x + y is an integer divisible by 70

 

Question Discussion & Explanation

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

Math Revolution

Verbal

Over a range of frequencies from 100 to 5,000 hertz, monkeys and marmosets have a hearing sensitivity remarkably similar to humans, above which the sensitivity begins to differ.

A. Over a range of frequencies from 100 to 5,000 hertz, monkeys and marmosets have a hearing sensitivity remarkably similar to humans

B. Compared to humans, the hearing sensitivity of monkeys and marmosets are remarkably similar over a range of frequencies from 100 to 5,000 hertz

C. Compared to humans over a range of frequencies from 100 to 5,000 hertz, the hearing sensitivity of monkeys and marmosets is remarkably similar

D. The hearing sensitivity of monkeys and marmosets, when compared to humans over a range of frequencies from 100 to 5,000 hertz, is remarkably similar

E. The hearing sensitivity of monkeys, marmosets, and humans is remarkably similar over a range of frequencies from 100 to 5,000 hertz

 

Question Discussion & Explanation

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

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