Question

A and B can do a given piece of work in 8 days B and C can do the same work in 12 days and A,B,C complete it in 6 days . in how many days A and C will finish it

Answer 1

I hope this will be right ans

Answer 2

Answer:

Answer

Correct option is

A

8

Given A and B do work in 8 days and Band C do work in 12 days and A,B and C do work in 6 days

Then A and B do work in one day =

8

1

And B and C do work in one day =

12

1

And A, B and C do work in one day =

6

1

Then A one day work =

6

1

−

12

1

=

12

2−1

=

12

1

Then C one day work=

6

1

−

8

1

=

24

4−3

=

24

1

So A and C One day work=

12

1

+

24

1

=

24

2+1

=

24

3

=

8

1

days

Then A and C do work in 8 days