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# Find the average of all prime numbers between 30 and 50.

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Math Expert
Joined: 02 Sep 2009
Posts: 58384
Find the average of all prime numbers between 30 and 50.  [#permalink]

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21 Feb 2019, 00:21
00:00

Difficulty:

35% (medium)

Question Stats:

66% (01:31) correct 34% (01:24) wrong based on 34 sessions

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Find the average of all prime numbers between 30 and 50.

A. 39
B. 39.5
C. 39.8
D. 40
E. 41

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GMAT Club Legend
Joined: 18 Aug 2017
Posts: 5005
Location: India
Concentration: Sustainability, Marketing
GPA: 4
WE: Marketing (Energy and Utilities)
Re: Find the average of all prime numbers between 30 and 50.  [#permalink]

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21 Feb 2019, 09:05
Bunuel wrote:
Find the average of all prime numbers between 30 and 50.

A. 39
B. 39.5
C. 39.8
D. 40
E. 41

sum of 31,37,41,43,47 = 199
avg= 39.8
IMOC
Re: Find the average of all prime numbers between 30 and 50.   [#permalink] 21 Feb 2019, 09:05
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