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GRE Math Challenge #45-John has four ties, 12 shirts

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GRE Math Challenge #45-John has four ties, 12 shirts [#permalink] New post 19 Sep 2014, 03:49
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Question Stats:

92% (00:39) correct 7% (00:00) wrong based on 14 sessions
John has four ties, 12 shirts, and three belts. If each day he wears exactly one tie, one shirt, and one belt, what is the maximum number of days he can go without repeating a particular combination?

A. 12
B. 108
C. 21
D. 144
E. 84
[Reveal] Spoiler: OA

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Re: GRE Math Challenge #45-John has four ties, 12 shirts [#permalink] New post 23 Jul 2018, 17:25
Expert's post
sandy wrote:
John has four ties, 12 shirts, and three belts. If each day he wears exactly one tie, one shirt, and one belt, what is the maximum number of days he can go without repeating a particular combination?

A. 12
B. 108
C. 21
D. 144
E. 84


The number of tie-shirt-belt combinations is 4 x 12 x 3 = 144.

Answer: D
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Re: GRE Math Challenge #45-John has four ties, 12 shirts   [#permalink] 23 Jul 2018, 17:25
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GRE Math Challenge #45-John has four ties, 12 shirts

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