Q1. A and B can do a piece of work in 3 days B and C in 4 days C and A in 6 days How long will C take to do it

Q2. 6 men and 10 women can do a work in 8 days 4 men and 12 women can do same work in 10 days Find in how many days 3 men and 5 women can do the work

Q3. 3 men and 4 women can complete a piece of work in 12 while the same is finished by 2 men and one woman in 15 days A boy who is 25 less efficient than that of man can complete the piece of work in how many days

Q4. Siva can complete the job in 12hrs Aswin can complete the job in 8 hrs If Siva worked for 6hrs then quit How many hours will Aswin alone take to complete the remaining work

Q5. If 5 engines consume 6 metric tonnes of coal when each is running 9 hours a day How much coal in metric tonnes will be needed for 8 engines each running 10 hours a day it being given that 3 engines of the former type consume as much as 4 engines of latter type