RBI Grade B Officers 22 Nov 2015 Paper

(1) 1 man will complete thework in = 6 × 12 = 72 days
1 woman will complete thework in = 8 × 18 = 144 days
1 child will complete the workin = 18 × 10 = 180 days
4 men + 12 women + 20 children’s2 days’ work
=2[

4

72

+

12

144

+

20

180

]
=2[

1

18

+

1

12

+

1

9

]
=2

(2+3+4)

36

=

1

2

∴ Remaining work =

1

2

∴Required number of men=72×

1

2

=36