Question

The ratio of males and females in a zoo is 3:5 respectively and the percentage of children among males and the percentage of children among females are 15% and 20% respectively. If the number of adult females in the zoo is 5796 then what will be the total population in a zoo?

A 14440 Correct Answer Incorrect Answer
B 11592 Correct Answer Incorrect Answer
C 13040 Correct Answer Incorrect Answer
D 12700 Correct Answer Incorrect Answer
E 14200 Correct Answer Incorrect Answer

Solution

Let the number of males and females be 3x and 5x respectively. Percentage of children among females = 20% So, 80% of females are adults, 80/100 5x = 5796 5x = 7245 x = 1449 Total population = 3x + 5x = 8x = 8×1449 = 11592

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