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Director
Joined: 16 May 2014
Posts: 592
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GRE 1: Q165 V161
w > 1
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29 May 2014, 01:48
29 May 2014, 01:48
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w>1
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 the right answer and explanation
Quantity A |
Quantity B |
7w-4 |
2w+5 |
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 the right answer and explanation
Retired Moderator
Joined: 10 Apr 2015
Posts: 6218
Given Kudos: 136
Re: GRE Math Challenge #4- w>1
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24 Mar 2017, 06:13
24 Mar 2017, 06:13
soumya1989 wrote:
w>1
Quantity A
7w - 4Quantity B
2w + 5Let's use the Matching Operations strategy.
Given:
Quantity A: 7w - 4
Quantity B: 2w + 5
Subtract 2w from both quantities to get:
Quantity A: 5w - 4
Quantity B: 5
Add 4 to both quantities to get:
Quantity A: 5w
Quantity B: 9
Divide both quantities by 5 to get:
Quantity A: w
Quantity B: 9/5 (= 1.8)
We're told that w > 1
So, if w = 1.1, then quantity B IS GREATER.
Conversely, if w = 2, then quantity A IS GREATER.
Answer:
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