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GMATT73
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The average (arithmetic mean) weight of two men is x, which 14 Oct 2005, 09:06
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The average (arithmetic mean) weight of two men is x, which is twice the average weight of three different men. What is the average weight of all five men in terms of x?



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sudhagar
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The average (arithmetic mean) weight of two men is x, which 14 Oct 2005, 09:27
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I think the answer is 7x/10.

(2*x + 3 * x/2) / 5
= ( (4x + 3x)/2)/5

= 7x/10
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gsr
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The average (arithmetic mean) weight of two men is x, which 14 Oct 2005, 09:34
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Total wt of 2 -> 2x
Total wt of other 3 -> (x/2)*3

Total Avg -> (4x+3x/2)/5 = 7x/10
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duttsit
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The average (arithmetic mean) weight of two men is x, which 14 Oct 2005, 09:34
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sudhagar
I think the answer is 7x/10.

(2*x + 3 * x/2) / 5
= ( (4x + 3x)/2)/5

= 7x/10
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You right. Missed the obvious, as usual :)
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GMATT73
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The average (arithmetic mean) weight of two men is x, which 14 Oct 2005, 10:08
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OA is 7X/10. Sud caught it.



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