Q1. A and B can do a work in 30 days They started together but after 10 days B left the work If A did the remaining work in 40 days then find in how many days B can alone do the work

Q2. A can do a piece of work in 15 days and B in 20 days They began the work together but 5 days before the completion of the work A leaves The work was completed in

Q3. Subhash can copy 70 pages in 16 hours Subhash and Prakash together can copy 275 pages in 40 hours In how much time can Prakash copy 30 pages

Q4. 9 children can complete a piece of work in 200 days 18 men can complete the same work in 150 days and 12 women can complete the work in 180 days In how many days can 10 children 3 men and 12 women together complete the work

Q5. 5 men can do a piece of work in 2hours while 7 woman can do in 3 hours or 9 boys do in 4hrs How long would take by 1 man 1woman 1boy together to do the work