Question

two thousand people live in business village of which 55% were male. the male population earned 5 % and female population earned 8% on an investment of rs. 50 each. find the change in the % profit of the village if the ratio of male to female gets reversed the next year and population remain same

Answer 1

.55*1.05 + .45*1.08 = 1.0635
.45*1.05 + .55*1.08 = 1.0665

so, what is the % change?

The amount invested does not matter, since it is all the same.