Question

rohan can do a piece of work in 20 days and karan can do it in 30 days . If both of them work together, in how many days will they be able to finish th work​

Answer 1

Answer:

12 days

Step-by-step explanation:

Amount of work Rohan can do in 1 day = 1/20

Amount of work Karan can do in 1 day = 1/30

Amount of work both will do in 1 day = 1/20 + 1/30 = 3/60 + 2/60 = 5/60 = 1/12

So, both will complete the work in 12 days.

Answer 2

Answer:

10 day on this Q ok

Step-by-step explanation:

i hope i help you