Question

A and B can do a piece of work in 10 hours B and C can do it in 15 hours while A and C take 12 hours to complete the work be independently can complete the work in​

Answer 1

Answer:

A+B's One day work=1 / 10

B+C's one day work=1 / 15

A+C's one day work=1 / 12

A+B +C's 2 days work=1/10 +1/15 +1/12

A+B+C's 2days work=6/60+4/60+5/60

=15/60=1/4

A+B+C's one day work=1/8

A can complete:

1/8-1/15=15-8/120 = 7/120

B can complete:

1/8-1/12=12=8/96=1 / 12

Ccan Complete:

1/8-1/10=10-8/80=1/40

A in 17 1/7 days. Ans

B in 12 days. Ans

C in 40 days. Ans