The present population of a village is 15280. If the number of males increases by 25% and the number of females increases by 15%, then the population will become 18428. The difference between the present population of males and females in the village is:
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 1840.
Let the number of males and number of females be 100x and 100y.
100x + 100y = 15280............(1)
After increment, the number of males = 125% of 100x = 125x.
After increment, the number of females = 115% of 100y = 115y.
125x + 115y = 18428...........(2)
On solving eq (1) and (2) we get,
x = 85.6 and y = 67.2
100x - 100y = 8560 - 6720 = 1840.