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
(e) Required% =

450−360

360

×100=25%