1. If Ram and Shyam can do a work in 24 days and 36 days respectively, what will be the ratio of their efficiency?
2. The ratio of efficiency of A and B is 4:5.
A) How much each for working together when they get a contract of Rs.4500 Will you get the money?
B) What will be the ratio of time taken by them to complete 1 job?
3. A can do a job in half the time it takes B. If both of them can work together in 10 days, how much time will each of them take to complete the work?
4. The efficiency of A is 20% more than B. If both mills can work in 24 days, how much time will each of them take to complete the work? 5. What A does in 4 days, B does in 5 days. If both can be done in 12 days, how much time will each one take?
6. A takes twice as long as B and three times as long as C to do a job. If everyone works together, if it can be done in 6 days, how many days will it take for each person?
7. The ratio of male to female efficiency is 3:5. If 7 men and 3 women can do a job in 7 days, then in how many days can 4 men and 5 women do it?​