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Math and Arithmetic
Statistics
Demographics
Fitness

The average weight of 12 men decreases by 2 kg when one of them weighing 84 kg is replaced by a new man The weight of the new man is?

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October 22, 2008 11:45AM

60 sum of 11 men = y, x = new man's weight (y+84)/12 - (y+x)/12 = 2 (original average - new average = 2) 84-x = 24 -x = -60 x = 60.