Q1. A Contractor employed a certain number of workers to finish constructing a building in a certain scheduled time Some time later when a part of work had been completed he realized that the work would get delayed by half of the scheduled time so he at once doubled the no of workers and thus he managed to finish the building on the scheduled time How much work he had been completed before increasing the number of workers

Q2. A is 50 more efficient than B If A can do a work in 30 days then find in how many will C do the work if C is 20 efficient of A and B together

Q3. A B and C can all together do piece of work in 10 days in which B takes three times as long as A and C together do the work and C takes twice as long as A and B together take to do the work In how many days B can alone do the work

Q4. P does half as much work as Q in three fourth of the time If together they take 24 days to complete the work how much time shall P take to complete the work

Q5. The ratio of efficiency of Arun is to Chitra is 5 3 The ratio of number of days taken by Bala is to Chitra is 2 3 Arun takes 6 days less than Chitra when Arun and Chitra complete the work individually Bala and Chitra started the work and left after 2 days The number of days taken by Arun to finish the remaining work is