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# Which of the following integers are multiples of both 2 and

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Which of the following integers are multiples of both 2 and [#permalink]  05 Jan 2017, 01:52
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Which of the following integers are multiples of both 2 and 3 ?

Indicate all such integers

□ 8

□ 9

□ 12

□ 18

□ 21

□ 36

[Reveal] Spoiler: OA
3,4 and 6

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Kudos [?]: 679 [1] , given: 121

Re: Which of the following integers are multiples of both 2 and [#permalink]  09 Jan 2017, 13:43
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Explanation

You can first identify the multiples of 2, which are 8, 12, 18 and 36, and then among the multiples of 2 identify the multiples of 3, which are 12, 18 and 36. Alternatively, if you realize that every number that is a multiple of 2 and 3 is also a multiple of 6, you can identify the choices that are multiples of 6. The correct answer consists of Choices C (12), D (18) and F (36).
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Re: Which of the following integers are multiples of both 2 and   [#permalink] 09 Jan 2017, 13:43
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