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# Find the mean of a set of 5 numbers. (1) The sum of the numbers is 72.

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Math Expert
Joined: 02 Sep 2009
Posts: 58335
Find the mean of a set of 5 numbers. (1) The sum of the numbers is 72.  [#permalink]

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31 Jan 2019, 00:18
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Difficulty:

25% (medium)

Question Stats:

84% (00:25) correct 16% (00:21) wrong based on 20 sessions

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Find the mean of a set of 5 numbers.

(1) The sum of the numbers is 72.

(2) The median of the set is 15.

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Re: Find the mean of a set of 5 numbers. (1) The sum of the numbers is 72.  [#permalink]

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31 Jan 2019, 03:57
Bunuel wrote:
Find the mean of a set of 5 numbers.

(1) The sum of the numbers is 72.

(2) The median of the set is 15.

#1
sum - 72
no of terms = 5
avg = 72/5 = 14.4 sufficient
#2
median of set = 15
but we are not sure whether all terms are same or consective or random integers
in sufficient
IMO A
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Re: Find the mean of a set of 5 numbers. (1) The sum of the numbers is 72.   [#permalink] 31 Jan 2019, 03:57
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# Find the mean of a set of 5 numbers. (1) The sum of the numbers is 72.

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