Question

24
Work done by the outlet in 1 hour =
1
30
Net part of the tank filled in 1 hour =
1
24
The tank will be filled in 120 hours.
1
1
120
30
EXERCISE 11 A
to do it?
they all together finish it?
a
A can do a piece of work in 15 days while B can do it in 10 days. How long will they take together
2. A, B and C cando a piece of work in 12 days, 15 days and 10 days respectively. In what time will
4. A can do a piece of work in 20 days while B can do it in 15 days. With the help of C, they finish
the work in 5 days. In what time would C alone do it?
5. A can do a piece of work in 12 days and B alone can do it in 16 days. They worked together on it
for 3 days and then A left. How long did B take to finish the remaining work?
would B alone take to do it?
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Answer 1

Answer:

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