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








