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Which is greater: 7! or 6! + 6! + 6! + 6! + 6! + 6! + 6!?

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Bunuel

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Joined: 20 May 2014

Posts: 283

Which is greater: 7! or 6! + 6! + 6! + 6! + 6! + 6! + 6!? [#permalink]

05 Nov 2017, 01:39

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Quantity A	Quantity B
7!	6! + 6! + 6! + 6! + 6! + 6! + 6!

A. The quantity in Column A is greater
B. The quantity in Column B is greater
C. The two quantities are equal
D. The relationship cannot be determined from the information given

Kudos for correct solution.

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IlCreatore

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Joined: 03 Sep 2017

Posts: 518

Re: Which is greater: 7! or 6! + 6! + 6! + 6! + 6! + 6! + 6!? [#permalink]

05 Nov 2017, 03:01

7! = 1*2*3*4*5*6*7. Then quantity B can be rewritten as 7*6! = 7*(1*2*3*4*5*6) = 1*2*3*4*5*6*7. Thus the two quantities are equal.

Answer C

bumpbot

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Re: Which is greater: 7! or 6! + 6! + 6! + 6! + 6! + 6! + 6!? [#permalink]

26 Apr 2021, 07:41

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