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21 Feb 2019, 00:55
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Difficulty:
15%
(low)
Question Stats:
86% (01:22) correct
14%
(01:43)
wrong
based on 96
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The average weight of 8 men is increased by 2 kg when one of the men, whose weight is 50 kg is replaced by a new man. The weight of the new man is :
A. 52 kg
B. 58 kg
C. 66 kg
D. 68 kg
E. 70 kg
A. 52 kg
B. 58 kg
C. 66 kg
D. 68 kg
E. 70 kg
21 Feb 2019, 01:55
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Bunuel
The average weight of 8 men is increased by 2 kg when one of the men, whose weight is 50 kg is replaced by a new man. The weight of the new man is :
A. 52 kg
B. 58 kg
C. 66 kg
D. 68 kg
E. 70 kg
A. 52 kg
B. 58 kg
C. 66 kg
D. 68 kg
E. 70 kg
Total weight increased when a new man joined = 8*2 = 16.
The weight of the old man who was replaced = 50.
weight of the new man = 50 + 16 = 66.
C is the correct answer.
21 Feb 2019, 08:21
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Increase in the avg = 2
So the total weight addition by new man = 16+ (weight of the replaced man - 50 kg)
So option = C is correct
So the total weight addition by new man = 16+ (weight of the replaced man - 50 kg)
So option = C is correct
