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# When multiplying certain numbers, instead of taking 36 as one of the

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SVP
Joined: 20 Jul 2017
Posts: 1506
Location: India
Concentration: Entrepreneurship, Marketing
WE: Education (Education)
When multiplying certain numbers, instead of taking 36 as one of the  [#permalink]

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02 Apr 2020, 04:00
00:00

Difficulty:

15% (low)

Question Stats:

88% (01:48) correct 12% (02:18) wrong based on 26 sessions

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When multiplying certain numbers, instead of taking 36 as one of the multipliers, Aman took 63. As a result, the product went up by 810. What is the correct product?

A. 810
B. 1080
C. 1620
D. 1890
E. 2160
Intern
Joined: 14 Jan 2020
Posts: 29
GMAT 1: 760 Q51 V41
Re: When multiplying certain numbers, instead of taking 36 as one of the  [#permalink]

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02 Apr 2020, 05:41
1
so he did 63x instead of 36x
the result went up by 810
i.e. 63x-36x=810 :27x=810 : x =30
so original pdt = 36x= 1080
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Re: When multiplying certain numbers, instead of taking 36 as one of the   [#permalink] 02 Apr 2020, 05:41