Question

a can do a work in 6 hours while b and c alone can do the same work in thrice and twice the time respectively in how many hours can they finish the work working together​

Answer 1

Answer:

Suppose A,B and C take x,

2

x

and

3

x

days respectively to finish the work.

Then, (

x

1

+

x

2

+

x

3

)=

2

1

∴

x

6

=

2

1

∴x=12

So, B takes

2

12

=6 days to finish the work.