In a town, the population was 8000. In one year, male population increased by 10% and population increased by 8% but the total population increased by 9%. The number of males in the town was
A)4000
B)4500
C)5000
D)6000
Correct Answer:
A
Solution :
By Alligation Rule \[\therefore \] Men : Women =1 : 1 \[\therefore \] Number of men \[=\frac{1}{2}\times 8000=4000\]