AFCAT II 2016 Solved Paper

A can do a work in 10 day
A can do work in 1 day =

1

10

part of work
Let B can do in x daysin 1 day he can do =

1

x

part of work
A working for 4 day and B for 9 days work is completed i.e  

4

10

+

9

x

=1

9

x

=

6

10

x = 15 days
Then Both A and B can do in 1 day =

1

10

+

1

15

part of work = 1/6
Or they both will complete work in 6 days