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If the sum of six numbers is between 135 and 164, then the average (ar

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If the sum of six numbers is between 135 and 164, then the average (ar  [#permalink]

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New post 28 Jun 2016, 05:54
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A
B
C
D
E

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  5% (low)

Question Stats:

97% (01:11) correct 3% (01:47) wrong based on 56 sessions

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Re: If the sum of six numbers is between 135 and 164, then the average (ar  [#permalink]

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New post 28 Jun 2016, 05:59
Bunuel wrote:
If the sum of six numbers is between 135 and 164, then the average (arithmetic mean) of the six numbers could be which of the following?

A. 15.4.
B. 20.5.
C. 25.5.
D. 31.25.
E. 32.5.


135/6=22.5
164/6=27.33

Only C fits in between these two limits.

Answer: C
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Re: If the sum of six numbers is between 135 and 164, then the average (ar  [#permalink]

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New post 28 Jun 2016, 10:04
Same answer and same approach as AmoyV

The problem is actually testing the concept of average and Maxima/Minima....

Let all the values be 135 , so the average will be 135/6 => 22.5 ( Minima )

Let all the values be 164, so the average will be 164/6 => 27.3 ( Minima )

Hence answer will be (C) { any number between the maximum and minimum value.... }

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Re: If the sum of six numbers is between 135 and 164, then the average (ar   [#permalink] 28 Jun 2016, 10:04

If the sum of six numbers is between 135 and 164, then the average (ar

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