Question

(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?

(13.)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?


14. 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?

15. 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:

Answer: In 15 days, 6 men and 11 women can do the work.Solution:Step 1. 8 men can do the work ... More

Answer 2

Answer:

please don't ask many questions at a time

Step-by-step explanation:

Your points will be wasted as no one wants to answer many questions at a time