Question

The average weight of 8 person increases by 1.5 kg, if a person weighting 65 kg replaced by a new person, what would be the weight of a new person?

Answer 1

Weight of a new person is 77 kg

Explanation:

The average weight of 8 person increases by 1.5 kg

Total weight increased = $8 \times 1.5 = 12$  kg.

Weight of a new person =  $65 + 12 = 77$  kg

Thus Weight of a new person is 77 kg