Question

8. A works twice as fast as B. They work together and complete a job in 8 days. How long
would A take to complete the job?
9. A and B can do a job together in 25 days. After 15 days of working together, B leaves. If A
completes the remaining part of the job in 20 days, how long would each take to complete
the job, working separately?
10. 8 men or 12 women can do a job in 25 days. In what time can 6 men and 11 women do it?
11. A, B and C can do a job in 12 h, 20 h and 30 h respectively. If they all work together, how
long will they take to complete the job?
12. A can do a job in 3 h, B in 4 h, and C in 6 h. If they all work together and receive 360, how
much money should each get?
3. A and B can do a job in 6 days, B and C in 9 days, and A and C in 12 days. How much time
will they take to complete the job if they all work together? How long will each of them take
to do the job?
1. Two pipes can separately fill a tank in 3 h and 4 h respectively. If they are both used
together, how much time will they take to fill the tank?
. A cold-water tap can fill a bath in 3 min and a hot-water tap in 4 min, while a waste
pipe can empty the bath in 6 min. If all these three are used together, how long will it take
to fill the bath?​

Answer 1

Answer:

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