Question

A, B, and C can do a piece of work in 10, 15 and 25 days respectively. In how many days work get finished
if all work together?
42 / 8 days
34/ 11 days
150/31 days
46/9 days​

Answer 1

Step-by-step explanation:

one day work of A= 1/10

one day work of B = 1/15

one day work of C=1/25

one day work of A, B, C= (1/10)+(1/15)+(1/25)

= (15+10+6)/150

= 31/150

so time to complete the work = 150/31 days