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(40076)(90042)

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4 KUDOS received
GRE Instructor
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Joined: 10 Apr 2015
Posts: 3535
Followers: 134

Kudos [?]: 4020 [4] , given: 65

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(40076)(90042) [#permalink] New post 26 Jul 2016, 14:51
4
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Expert's post
00:00

Question Stats:

25% (00:38) correct 74% (00:34) wrong based on 77 sessions
Quantity A
Quantity B
(40076)(90042)
(40075)(90043)


NOTE: The above products are too big for the GRE's onscreen calculator to handle.

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.


Note: These questions are designed to help students master the quantitative comparison questions on our site: https://www.greenlighttestprep.com/modu ... comparison
[Reveal] Spoiler: OA

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Last edited by Carcass on 27 Jul 2016, 01:19, edited 1 time in total.
Edited by Carcass
2 KUDOS received
GRE Instructor
User avatar
Joined: 10 Apr 2015
Posts: 3535
Followers: 134

Kudos [?]: 4020 [2] , given: 65

CAT Tests
Re: (40076)(90042) [#permalink] New post 27 Jul 2016, 14:54
2
This post received
KUDOS
Expert's post
GreenlightTestPrep wrote:
Quantity A
Quantity B
(40076)(90042)
(40075)(90043)


Let's rewrite the quantities to better compare them.

Given:
Quantity A: (40076)(90042)
Quantity B: (40075)(90043)

Rewrite 40076 as (40075 + 1), and rewrite 90043 as (90042 + 1) to get:
Quantity A: (40075 + 1)(90042)
Quantity B: (40075)(90042 + 1)

Expand each to get:
Quantity A: (40075)(90042) + 90042
Quantity B: (40075)(90042) + 40075

Subtract the product (40075)(90042) from both quantities to get:
Quantity A: 90042
Quantity B: 40075

Answer:
[Reveal] Spoiler:
A


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Re: (40076)(90042)   [#permalink] 27 Jul 2016, 14:54
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(40076)(90042)

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