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M(r, s, t) denotes the average (arithmetic mean) of r, s, and t, and
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31 May 2021, 03:22
31 May 2021, 03:22
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M(r, s, t) denotes the average (arithmetic mean) of r, s, and t, and M(x, y) denotes the average of x and y
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 |
\( M(70,80,90)\) |
\(M(x,90)\) where \(x =M(70,80) \) |
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: M(r, s, t) denotes the average (arithmetic mean) of r, s, and t, and
[#permalink]
31 May 2021, 20:38
31 May 2021, 20:38
1
Qt A
Avg = \(\frac{70+80+90}{3}\) = \(80\)
Qt B
\(x =M(70,80) \) = \(75\)
Avg = \(\frac{75+90}{2}\) = \(82.5\)
Qt B > Qt A
Answer B
Avg = \(\frac{70+80+90}{3}\) = \(80\)
Qt B
\(x =M(70,80) \) = \(75\)
Avg = \(\frac{75+90}{2}\) = \(82.5\)
Qt B > Qt A
Answer B
gmatclubot
Re: M(r, s, t) denotes the average (arithmetic mean) of r, s, and t, and [#permalink]
31 May 2021, 20:38
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