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In C, the ratio of male and females is 2:5 and female to children is 1:1. Find the ratio of children in C to total population of E.
Question

The pie given below shows the total population in five cities (A, B, C, D, E).


In C, the ratio of male and females is 2:5 and female to children is 1:1. Find the ratio of children in C to total population of E.

A.

36:11

B.

21:19

C.

22:21

D.

23:36

E.

25:36


Correct option is E

ATQ, (2p + 5 + 8 + p + 15 + 12)% = 100%

3p + 40 = 100

3p = 60

P = 20

Cities

Total Population

A

45% of 1200 = 540

B

8% of 1200 = 96

C

20% of 1200 = 240

D

15% of 1200 = 180

E

12% of 1200 = 144

Ratio of male : female = 2:5

Ratio of female : children= 1:1

Ratio of male : female: children= 2:5:5

Children in C =

Required ratio = 100 : 144 = 25:36

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