Q1. Ram and Ravi can separately do a piece of work in 20 and 15 days respectively They worked together for 6 days after which Ravi was replaced by Rohit If the work was finished in next 4 days then the number of days in which Rohit alone could do the work will be

Q2. A building contractor undertook to finish a certain work in 162 days and employed 150 men After 72 days he found that he had already done 2 3 of the work How many men can be discharged now so that the work finish in time

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. A and B can do a work in 60days B and C can do same work in 40 days and C and A can do same work in 50 days Find in how many days will A Band C work together will finish the work

Q5. Two men can complete a piece of work in 3 days while 3 women can complete the same work in 4 days and 4 children can complete the same work in 6 days Then find in how many days 1 men 1 women and 2 children can complete the same work