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1/2 + 3/5

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Joined: 18 Apr 2015
Posts: 5166
Followers: 77

Kudos [?]: 1033 [0], given: 4655

1/2 + 3/5 [#permalink]  27 Dec 2016, 02:39
Expert's post
00:00

Question Stats:

100% (00:32) correct 0% (00:00) wrong based on 25 sessions
 Quantity A Quantity B $$\frac{1}{2} + \frac{3}{5}$$ $$\frac{1+3}{2+5}$$

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.
[Reveal] Spoiler: OA

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GRE Instructor
Joined: 10 Apr 2015
Posts: 1238
Followers: 46

Kudos [?]: 1126 [1] , given: 7

Re: 1/2 + 3/5 [#permalink]  27 Dec 2016, 10:37
1
KUDOS
Expert's post
Carcass wrote:
 Quantity A Quantity B $$\frac{1}{2} + \frac{3}{5}$$ $$\frac{1+3}{2+5}$$

We can use some number sense , and avoid some work.

First, since 3/5 is greater than 0.5, we can conclude that 1/2 + 3/5 = a number that's GREATER THAN 1
Also notice that (1+3)/(2+5) = 4/7, and 4/7 a number that's LESS THAN 1

So, we get:
Quantity A: a number that's GREATER THAN 1
Quantity B: a number that's LESS THAN 1

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Re: 1/2 + 3/5   [#permalink] 27 Dec 2016, 10:37
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