Question

EXERCISE 11 A
1. A can do a piece of work in 15 days while B can do it in 10 days. How long will they take ungher
to do it?
2. A, B and C can do a piece of work in 12 days, 15 days and 10 days respectively. In what time will
they all together finish it?​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

1) Both A and B can do the same work in 6 days.

2) They take 4 days to finish their work together.