IBPS RRBs Officer Scale I and II 12 Se 2015 Paper

(2) According to the question,
18 × 16 women = 24 × 18 children
⇒ 2 women = 3 children
∴ 8 women + 16 children
= (12 + 16) children
= 28 Whildren
⇒

M1D1

W1

=

M2D2

W2

⇒

24×18

1

=

28×9

W2

⇒W2 =

28×9

24×18

=

7

12

∴ Remaining work
=1–

7

12

=

5

12

This part of work is done by 10 men.

M1D1

W1

=

M2D2

W2

⇒

12×20

1

=

10×D2 5

12

⇒ 10×D2 = 12 × 20 ×

5

12

= 100
⇒D2 =

100

10

= 10 days