Beat The GMAT

dunkin77 · Wed Apr 18, 2007 2:02 pm

20. Is the positive integer n a multiple of 24?
(1) n is a multiple of 4.
(2) n is a multiple of 6.

Hi,

I though the answer was E) but actually the correct answer is E) -- Can anyone explain why?

Thanks!

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isisalaska · Wed Apr 18, 2007 2:04 pm

what is the right answer? D?

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dsouzamel · Wed Apr 18, 2007 2:15 pm

20. Is the positive integer n a multiple of 24?
(1) n is a multiple of 4.
(2) n is a multiple of 6.

Lets assume n to be 12 ..

12 is divisible by 4
12 is also divisible by 6 but it isn't divisible by 24.

So the best answer is E......... Very Happy