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GRE Math Challenge #110-If 720 is the product
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15 May 2015, 11:54
15 May 2015, 11:54
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Question Stats:
99% (01:09) correct
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If 720 is the product of the consecutive integers beginning with 2 and ending with n, what is the value of n-1?
(A) 5
(B) 6
(C) 8
(D) 11
(E) 23
(A) 5
(B) 6
(C) 8
(D) 11
(E) 23
Re: GRE Math Challenge #110-If 720 is the product
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04 Sep 2017, 20:48
04 Sep 2017, 20:48
720 = 6!
so n-1 = 6-1 = 5
so n-1 = 6-1 = 5
Re: GRE Math Challenge #110-If 720 is the product
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06 Sep 2017, 17:43
06 Sep 2017, 17:43
sandy wrote:
If 720 is the product of the consecutive integers beginning with 2 and ending with n, what is the value of n-1?
(A) 5
(B) 6
(C) 8
(D) 11
(E) 23
(A) 5
(B) 6
(C) 8
(D) 11
(E) 23
I do not understand? Can we have an explanation?
