Question

11. A, B and C together finish a work in 4 days. If A alone can finish the same work in
8 days and B in 12 days, find how long will C take to finish the work.​

Answer 1

Step-by-step explanation:

11. A, B and C together finish a work in 4 days. If A alone can finish the same work in

8 days and B in 12 days, find how long will C take to finish the work.

Answer 2

Let's time taken by C alone to complete the work in x days ∴

4

1

=

9

1

+

18

1

+

x

1

x

1

=

4

1

−

9

1

+

18

1

x

1

=

36

3

x

1

=

12

1

⇒x=12 days