In a certain year, the population of a certain town was 9000. If in the next year the population of males increases by 5% and that of the females by 8% and the total population increases to 9600, then what was the ratio of population of males and females in that given year? Choose one
A) 4 : 5	B) 5 : 4	C) 2 : 3	D) Data inadequate	E) None of these
Let the population of males = x; then the population of females = 9000 – x   Now, 5% of x + 8% of (9000 – x)   = (9600 – 9000 ) = 600   or 0.05x + 720 – 0.08x = 600   or 720 – 600 = 0.08x – 0.05x   or, 120 = 0.03x   x = 4000   Reqd ratio of population of males and females   4000/9000−4000=4000/5000=4:5   4 : 5nswer 4 : 5
<result>A</result>
In a certain year, the population of a certain town was 9000. If in the next year the population of males increases by 5% and that of the females by 8% and the total population increases to 9600, then what was the ratio of population of males and females in that given year?