Question

A and B start on a job which a can complete in 6 days and B in 8 days after 2 days B Falls ill how long will it take to complete the rest of the job​

Answer 1

Answer:

Given,

A can do a work in = 6 days

A’s, 1 day work =

6

1

B can do a work in = 8 days

B’s, 1 day work =

8

1

Both (A+B)’s 1 day work =

6

1

+

8

1

=

24

4+3

=

24

7

Both (A+B)’s 2 day work =2×

24

7

=

12

7

So, the remaining work =1−

12

7

=

12

12−7

=

12

5

Now,

It is given that,

A can do a work in 6 days

A can do

12

5

work in =6×

12

5

days

=

2

5

days

=2

2

1

days

∴A can finish the work in 2

2

1

days.