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GRE Math Challenge #25- average of 5, 6, 7 and w is 10
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07 Sep 2014, 06:42
07 Sep 2014, 06:42
Expert Reply
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Question Stats:
90% (00:18) correct
9% (00:26) wrong based on 31 sessions
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If the average (arithmetic mean) of 5, 6, 7 and w is 10, what is the value of w?
A. 8
B. 13
C. 18
D. 22
E. 28
A. 8
B. 13
C. 18
D. 22
E. 28
Re: GRE Math Challenge #25- average of 5, 6, 7 and w is 10
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16 Jan 2018, 01:19
16 Jan 2018, 01:19
1
(5+6+7+W)/4=10
18+W = 40
W =22
18+W = 40
W =22
Re: GRE Math Challenge #25- average of 5, 6, 7 and w is 10
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07 May 2021, 11:03
07 May 2021, 11:03
AM = sum of all nos / total no of entries
ATQ,
10 = (5+6+7+w)/4
18 + w = 40
w = 22.
Hence, option (D) is the correct answer.
ATQ,
10 = (5+6+7+w)/4
18 + w = 40
w = 22.
Hence, option (D) is the correct answer.
