Question

Average weight of 3 men a, b and c is 80 kg. another man d joins the group and the average now becomes 75 kg. if another man e, whose weight is 2 kg more than that of d, replaces a then the average weight of b, c, d and e becomes 77 kg. the weight of a is:
a.54 kg
b.60 kg
c.52 kg
d.64 kg.

Answer 1

c.52 kg.is the weight of a