Question

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​

Answer 1

Increased weight=8×2.5=20kg

New person weight 65+20=85kg

HOPE THIS HELPS YOU

Answer 2

Answer:

Total weight increased = ( 8 X 1.5 )kg = 12 kg.

Weight of new man = 65 + 12 = 77 kg