The average weight of 8 persons is increased by 1.5
kg when a person weighting 65 kg is replaced by a
new person. What could be the weight of new per-
son?
(a) 82 kg (b) 75 kg (c) 77 kg (d) 70 kg
(e) 81 kg
Answers
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Increased weight=8×2.5=20kg
New person weight 65+20=85kg
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Answered by
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Answer:
Total weight increased = ( 8 X 1.5 )kg = 12 kg.
Weight of new man = 65 + 12 = 77 kg
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