Question

7.
A, B and C can do a piece of work in 10 days, 15 days and 20 days
respectively. In how many days will the work finish if they work together?​

Answer 1

Answer:

Answer is 4 8/15 days

Step-by-step explanation:

Assuming number of days as x :

1 day work of A, B and C is 1/x :

Hope this Helps