Question

A does a work in 10 days and B does the same work in 15 days. In how many days they together will do the same work​

Answer 1

Answer:

6 days

Step-by-step explanation:

A's one day work =1/10

B's one day work=1/15

(A+B)’s one day work =(1/10)+(1/15) = 1/6

A and B together can finish the work in 6 days

Answer 2

Answer:

6 days

Step-by-step explanation:

as a do work = 10 days

the same b do = 15 days

together they do work= (1/10) + (1/15) =(1/6)

so ,they do work in 6 days