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# The average of first five prime numbers is:

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Math Expert
Joined: 02 Sep 2009
Posts: 58446
The average of first five prime numbers is:  [#permalink]

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21 Feb 2019, 00:17
00:00

Difficulty:

5% (low)

Question Stats:

86% (00:36) correct 14% (00:39) wrong based on 35 sessions

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The average of first five prime numbers is:

A. 5.1
B. 5.3
C. 5.5
D. 5.6
E. 5.7

_________________
Intern
Joined: 19 Feb 2019
Posts: 20
Re: The average of first five prime numbers is:  [#permalink]

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21 Feb 2019, 00:37
First 5 primes = 2,3,5,7,11. Clearly av = (2+3+5+7+11)/5 = 28/5 = 5.6 = D

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GMAT Club Legend
Joined: 18 Aug 2017
Posts: 5020
Location: India
Concentration: Sustainability, Marketing
GPA: 4
WE: Marketing (Energy and Utilities)
Re: The average of first five prime numbers is:  [#permalink]

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21 Feb 2019, 08:29
Bunuel wrote:
The average of first five prime numbers is:

A. 5.1
B. 5.3
C. 5.5
D. 5.6
E. 5.7

2+3+5+7+11 = 28
avg = 5.6
IMO D
Re: The average of first five prime numbers is:   [#permalink] 21 Feb 2019, 08:29
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