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GRE Math Challenge #92- 0.27/0.53 or 0.027/0.053

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GRE Math Challenge #92- 0.27/0.53 or 0.027/0.053 [#permalink]  09 May 2015, 11:10
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Question Stats:

93% (00:20) correct 6% (00:34) wrong based on 15 sessions
 Quantity A Quantity B $$\frac{0.27}{0.53}$$ $$\frac{0.027}{0.053}$$

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.
[Reveal] Spoiler: OA

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Last edited by Carcass on 18 Jan 2018, 02:37, edited 1 time in total.
Edited by Carcass
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Re: GRE Math Challenge #92- 0.27/0.53 or 0.027/0.053 [#permalink]  17 Jan 2018, 00:03
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I plug the number in calculator, it is c
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Re: GRE Math Challenge #92- 0.27/0.53 or 0.027/0.053 [#permalink]  26 Jan 2018, 10:29
You can multiple both sides * 100 (numerator and divisor), then you can see that both of them are the same. In that way you don’t have to use calculator.
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Re: GRE Math Challenge #92- 0.27/0.53 or 0.027/0.053 [#permalink]  20 May 2018, 02:01
The question can also be solved by looking at the decimal position of the both of numerator and denominator of the factions.

Approach:

The rule says to make the denominator as a whole number by shifting the decimal to the right, also move the decimal of the numerator to the right untill the value of denomincator is a whole number.

Solution:

When we follow the above approach we see that the factions are same.

Hence OPTION C is the answer.
Re: GRE Math Challenge #92- 0.27/0.53 or 0.027/0.053   [#permalink] 20 May 2018, 02:01
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