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6 % of 9 or 8 % of 7

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Founder
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6 % of 9 or 8 % of 7 [#permalink] New post 27 Jul 2018, 09:23
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Question Stats:

78% (00:12) correct 21% (00:09) wrong based on 23 sessions
Quantity A
Quantity B
6 % of 9
8 % of 7


A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.

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[Reveal] Spoiler: OA

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Director
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Re: 6 % of 9 or 8 % of 7 [#permalink] New post 27 Jul 2018, 10:08
Carcass wrote:
Quantity A
Quantity B
6 % of 9
8 % of 7


A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.

Kudos for R.A.E



QTY A = 6 % of 9 = 0.06 * 9 = 0.54

QTY B = 8 % of 7 = 0.08 * 7 = 0.56

Therefore QTY A < QTY B

Option B
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Re: 6 % of 9 or 8 % of 7 [#permalink] New post 05 Aug 2018, 14:32
I did not go as far as getting actual values.
A: (9*6)/100. When you simplify it= 27/50
B: (8*7)/100. When you simplify it= 28/50

Since they have the same denominator, the option with bigger numerator is the bigger number, that is B
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Re: 6 % of 9 or 8 % of 7 [#permalink] New post 05 Aug 2018, 18:48
kruttikaaggarwal wrote:
I did not go as far as getting actual values.


First you divide and then multiply :-D :-D

as an advise try to keep denominator 100 for easy calculation
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Re: 6 % of 9 or 8 % of 7   [#permalink] 05 Aug 2018, 18:48
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