Question

A, B and C can together finish a piece of work in 4 days, A alone can do it in 12 days and B in 18 days, Then C alone can do it in​

Answer 1

Step-by-step explanation:

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