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# In a jar, 2/5 of the marbles are red, 1/4 are green, and 1/

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In a jar, 2/5 of the marbles are red, 1/4 are green, and 1/ [#permalink]  03 May 2019, 02:13
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91% (00:39) correct 8% (01:03) wrong based on 34 sessions
In a jar, $$\frac{2}{5}$$ of the marbles are red, $$\frac{1}{4}$$ are green, and $$\frac{1}{5}$$ are blue.

 Quantity A Quantity B Number of red marbles Number of green and blue marbles

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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Re: In a jar, 2/5 of the marbles are red, 1/4 are green, and 1/ [#permalink]  03 May 2019, 05:05
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Red marbles are $$\frac{2}{5}$$ of total
Green marbles are $$\frac{1}{4}$$ of total and
Blue marbles are $$\frac{1}{5}$$ of total.

qty A = $$\frac{2}{5}$$ of x where x is the no of marbles.
qty B = ($$\frac{1}{4} + \frac{1}{5}$$) of x where x is the no of marbles.
hence qty B = $$\frac{9}{20}$$ of x
$$\frac{2}{5}$$< $$\frac{9}{20}$$ hence whenever x is +ve number qty B will always be greater than A and in this case no of marbles must be atleast 1 so B is greater.
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Re: In a jar, 2/5 of the marbles are red, 1/4 are green, and 1/   [#permalink] 03 May 2019, 05:05
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