SBI PO 21 June 2015 Paper

10 × 15 men
→ 8 × 25 women
⇒ 3 men → 4 women
3 men + 10 women
→ (10 + 4) women → 14 women
8 women’s 1 day’s work
=

1

25

∴ 10 women’s 1 day’s work
=

10

25×8

=

1

20

part
∴

M1D1

W1

=

M2D2

W2

⇒

10×20

W1

=

14×5

W2

⇒ W2 =

14×5

10×20

=

7

20

part
Remaining work = 1 –

7

20

=

13

20

∴ This part of work is done by10 women.
∴ Required time =

13

20

× 20 = 13 days