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The average (arithmetic mean) of the body weights of John, J
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06 Dec 2019, 02:17
06 Dec 2019, 02:17
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The average (arithmetic mean) of the body weights of John, Jack, Bill, Mark, and Tom is at least 170 pounds. John, Jack, and Bill weigh 140, 160, and 180 pounds, respectively. If Mark weighs between 160 and 180 pounds, inclusive, what is the least possible weight, in pounds, of Tom?
A. 180
B. 190
C. 200
D. 210
E. 220
Kudos for the right answer and explanation
A. 180
B. 190
C. 200
D. 210
E. 220
Kudos for the right answer and explanation
Re: The average (arithmetic mean) of the body weights of John, J
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15 Jan 2020, 08:02
15 Jan 2020, 08:02
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Carcass wrote:
The average (arithmetic mean) of the body weights of John, Jack, Bill, Mark, and Tom is at least 170 pounds. John, Jack, and Bill weigh 140, 160, and 180 pounds, respectively. If Mark weighs between 160 and 180 pounds, inclusive, what is the least possible weight, in pounds, of Tom?
A. 180
B. 190
C. 200
D. 210
E. 220
Kudos for the right answer and explanation
A. 180
B. 190
C. 200
D. 210
E. 220
Kudos for the right answer and explanation
Since, all boys have at-least \(170\) pounds, therefore sum of all 5 boys weights = \(170 * 5 = 850\)
If TOM's weight is to minimize, we need to maximize Mark's weight.
Mark's weight = \(180\) pounds
Therefore, Tom's least possible weight, in pounds = \(850 - ( 140 + 160 + 180 + 180) = 190\)
Option B
Re: The average (arithmetic mean) of the body weights of John, J
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23 Jul 2021, 04:03
23 Jul 2021, 04:03
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Thanks to another GRE Prep Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).
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