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The average (arithmetic mean) of
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13 May 2021, 10:06
13 May 2021, 10:06
Expert Reply
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Question Stats:
87% (00:37) correct
12% (01:08) wrong based on 32 sessions
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The average (arithmetic mean) of ๐, 2๐, ๐, and 4๐ is 2๐.
A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.
Kudos for the right answer and explanation
Question part of the project GRE Quantitative Reasoning Daily Challenge - (2021) EDITION
GRE - Math Book
Quantity A |
Quantity B |
a |
b |
A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.
Kudos for the right answer and explanation
Question part of the project GRE Quantitative Reasoning Daily Challenge - (2021) EDITION
GRE - Math Book
Re: The average (arithmetic mean) of
[#permalink]
13 May 2021, 19:37
13 May 2021, 19:37
2
Average = \(\frac{a + 2a + b + 4b}{4}\) = \(2a\)
\(3a + 5b = 8a\)
\(a = b\)
Qt A = Qt B
Answer C
\(3a + 5b = 8a\)
\(a = b\)
Qt A = Qt B
Answer C
Re: The average (arithmetic mean) of
[#permalink]
19 May 2021, 13:32
19 May 2021, 13:32
1
(3a + 5b )/4 = 2a
3a+5b = 8 a
5b = 5a
a=b
Answer is c
please give kudos if this helped
3a+5b = 8 a
5b = 5a
a=b
Answer is c
please give kudos if this helped
