question_answer

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 \[=\frac{1}{2}\times 8000=4000\]