Q1. A is thrice good a workman as B and B is half as good as workman as C Find the ratio of days in which A B and C can complete work alone respectively

Q2. 50 men could complete a work in 200 days They worked together for 150 days after that due to bad weather the work is stopped for 25 days How many more workers should be employed so as to complete the work in time

Q3. 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

Q4. 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

Q5. A can do a piece of work in 40 days B can do the same piece of work in 60 days A and B started the work together in the first 15 days A worked with 50 of his efficiency in the next 15days B worked with 50 of his efficiency Now in how many days does the remaining work will be completed if both of them work with their full efficiencies