Question

The population in a village is 7500. With the increase of 10% among males and 8% among females, the population is 8180, how much the number of males and females has increased.

Answer 1

Answer:

400males and 280females.

explanation:

inc in population=8180-7500=680.

now, let the populatiton inc be 8%

so (8/100)*7500=600

680-600=80 i.e 2%male

2%=80

10%=(80/2)*10=400 males.

and ,

680-400=280 females.