Question

12. A and B together can do a piece of work in 20 days, B and C together can do it in 15 days,
C and A together can do it in 12 days.
(1) How long will they take to finish the work, working all together?
(u) How long would each take to do the same work?
13.A, B and C together can do a piece of work in 15 days. B alone can do it in 30 days and
Calone can do it in 40 days. In now many days will A alone do the work?​

Answer 1

Answer:

12.(1)A,B,C together can do it in 10 days

(u)A takes 30 days, b takes 60 days, c takes 20 days to complete the work alone.

13. A alone can do it in 120 days

Step-by-step explanation: