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# The average of three numbers if the greatest is 20

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The average of three numbers if the greatest is 20 [#permalink]  18 Sep 2018, 10:34
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Question Stats:

65% (00:30) correct 34% (00:15) wrong based on 23 sessions

 Quantity A Quantity B The average of three numbers ifthe greatest is 20 The average of three numbers ifthe greatest is 2

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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Re: The average of three numbers if the greatest is 20 [#permalink]  18 Sep 2018, 21:13
Three numbers such that greatest is 20 could be something like 20,19,18 or it can also be 20, -100, -200.
In the first case the average is a +ve number while in the second case the average is a -ve number.

For qty B let us take 0,1,2 as a set of 3 numbers the avg will be $$\frac{3}{3} = 1$$
Therefore since Qty A can be a number greater than Qty B or it can be a number less than Qty B
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Re: The average of three numbers if the greatest is 20   [#permalink] 18 Sep 2018, 21:13
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# The average of three numbers if the greatest is 20

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