IBPS Clerk Mains 2017 Paper

Total number of boys in Birla college and Sharda
college = 210 × 2 = 420
Let, Number of girls in Birla college = x
And, Number of girls in Sharda college = y
ATQ
x + y = 810 ... (i)

2

3

X+

2

5

y=420 ... (ii)
On solving (i) & (ii)
x = 360, y = 450
Number of boys in Birla college
=

2

3

×360=240
(b) Number of girls in ‘Y’ collage
=

450

9

×13=650
Number of boys in ‘Y’ collage
=

80

100

×180=144
Total number of students in ‘Y’ collage
= 650 + 144 = 794