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If x and y are positive integers, is xy a multiple of 8 ?

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by BTGModeratorVI » Sat May 16, 2020 7:23 am

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If x and y are positive integers, is xy a multiple of 8 ?

(1) The greatest common divisor of x and y is 10.
(2) The least common multiple of x and y is 100.

Answer: C
Source: GMATPrep practice test
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