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2/5(0.001) or 1/5(0.002)

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2/5(0.001) or 1/5(0.002) [#permalink] New post   31 Dec 2020, 01:03
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Quantity A
Quantity B
\(\frac{2}{5}(0.001)\)
\(\frac{1}{5}(0.002)\)



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.

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C
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Re: 2/5(0.001) or 1/5(0.002) [#permalink] New post   Updated on: 31 Dec 2020, 01:40
For this kinds of question, it will be great if one can memorize some fraction values.

Such as 1/4 = 0.25 , 2/3 = 0.66.

It makes the calculations much easier.

Originally posted by rx10 on 31 Dec 2020, 01:37.
Last edited by rx10 on 31 Dec 2020, 01:40, edited 1 time in total.
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Re: 2/5(0.001) or 1/5(0.002) [#permalink] New post   31 Dec 2020, 01:38
Qt A

\(\frac{2}{5}(0.001)\) = 0.4 * 0.001 = 0.0004

Qt B

\(\frac{1}{5}(0.002)\) = 0.2 * 0.002 = 0.0004

Qt A = Qt B

Answer C
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Re: 2/5(0.001) or 1/5(0.002) [#permalink] New post   01 Jan 2021, 03:17
1
Rewrite the two quantities to simplify;

Qty A = \(\frac{2}{5}(0.001)\)
Qty B = \(\frac{1}{5}(0.002)\)

Qty A can be rewritten as
\(\frac{2}{5} * \frac{1}{1000}\)

Qty B can be rewritten as
\(\frac{1}{5} * \frac{2}{1000}\)

Since these are +ve numbers we can cancel on either sides, everything cancels.
Therefore answer is C
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gmatclubot
Re: 2/5(0.001) or 1/5(0.002) [#permalink]
01 Jan 2021, 03:17
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