IBPS Clerk Prelims Model Paper 22

Let 1 man’s 1 day work = x and 1 woman’s 1 day work = y.
Hence,
10x =

1

20

and 20y =

1

15

x =

1

200

and y =

1

300

(5 men + 10 women)’s 1 day work =

5

200

+

10

300

=

7

120

So, they will finish the work in

120

7

= 17

1

7

days