UPSC Civil Services 2011 Prelims General Studies Paper II

Let the no. of total persons = 100
No. of male =70%=100×

70

100

=70
∴ No. of female = 100−70=30
Total married person =30%=

30

100

×100
=30
∴ Total unmarried person =100−30=70
married male =70×

2

7

=20
∴ married female =30−20=10
Now, unmarried female =30−10=20
∴ Required fraction =

20

30

=

2

3