Indian Institute of Foreign Trade 2012 Solved Paper

12 men can complete a work in ten days. Thus, 1 men will take 120 days.
In 1 day 1 men will complete

1

20

of the work
20 women can complete the same work in twelve days.
Thus, 1 women will take 240 days to complete the work.
Thus, In 1 day 1 women will complete

1

240

of the work
8 men and 4 women work for 9 days completing

8×9

120

+

4×9

240

=

3

4

of the work.
Thus,

1

4

of the work is remaining.
Now 8 men and 14 women work completing

8

240

+

14

240

=

1

8

of the work in 1 day.
To complete

1

4

they'll take 2 days.
Hence, option A is the correct answer.