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GMAT Club

GMAT Question of the Day (October 13)

Jeff 0

Math

How many different three-digit multiples of 5 can be composed of digits 2, 3, 4, and 5 if none of the digits is repeated?

A. 3
B. 6
C. 10
D. 12
E. 18

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

Math Revolution

Verbal

In the nation of Pelmenia, 20% of 18-year-olds are left-handed, while just 10% of 45-year-olds and 2% of 70-year-olds are left-handed. But the percentage of children born left-handed has never changed in Pelmenia, nor have societal attitudes toward left-handedness.

Which of the following, if true, most helps to explain the variation in left-handedness among Pelmenians?

A) The number of children born each year in Pelmenia has steadily increased over the past seventy years.

B) In Pelmenia, left-handers are no more likely to perish in accidents than right-handers.

C) In Pelmenia, ambidexterity is not considered a desirable attribute.

D) In Pelmenia, women have a significantly lower life expectancy than men, and women are also more likely to be born left-handed.

E) As Pelmenians age, they become less likely to participate in surveys regarding handedness or hand dominance.

Question Discussion & Explanation

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

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