Question

Population of village is 120000. men population increase by 12% and women by 9%. If increased population is 132750. Find difference between men and women

Answer 1

Answer:

Let M be Men

& F be female

then according to question

M+F = 120000...................................(1)

Now men population increase by 12% i.e 12% of M

similarly female population increase by 9%  i,e 9% of F

As total increased population of Men & Female = 132750

then total increment in Population = 132750-120000 = 12750

which means, 12M/100 + 9F/100 = 12750

i.e 12M + 9F = 1275000 ..................................(2)

Now solving equation (1) & (2)

we got M= 65000

& F= 55000

we hve to find difference b/w M & F i.e M-F=65000-55000=10000

thats it.