Q1. A can do a piece of work in 18 days He worked at it for 12 days and B finished the remaining work in 8 days B alone can do the whole work in

Q2. A is twice as good as B and together they finish a piece of work in 16 days The number of days taken by A alone to finish the work is

Q3. A contract is to be completed in 56 days and 104 men were set to work each working 8 hours a day After 30 days 2 5 of the work is completed How many additional men may be employed so that the work may be completed in time each man now working 9 hours day

Q4. P is 20 more efficient than Q how much time will they working together take to complete a job which P alone could have done in 20 days

Q5. Hari and Vijay can together finish a work in 30 days They worked together for 20 days and then Vijay left After another 20 days hari finished the remaining work In how many days hari alone can finish the work