Question

A, b and c, each of them working alone can complete a job in 10, 12 and 15 days respectively. If all three of them work together to complete a job and earn rs. 6000, what will be c's share of the earnings?

Answer 1

Answer:1600rs

Step-by-step explanation:let work done by A in 10 days = 1 (i.e. 1 whole work done)

Then work done in one day = 1/10

Similarly work done by B in 1 day=1/12

And work done by c in one day=1/15

Then total amount of work done in1 day together = 1/10+1/12+1/15=1/4

Then no. Of days in which work is finished=4 ( since 1/4 × 1 = 1)

Therefore work done by c in 4 days = 4/15

Therefore share of c in earnings = fraction of work done = 4/15 × 6000=1600