Q1. If A can complete a work in 30 days B can do the same work in 36 days If after doing 5 days leaves the work Find in how many days B will do the remaining work

Q2. If 10 boys or 18 girls can do a piece of work in 15 days then 25 boys and 15 girls together will do twice the work in

Q3. Two typist of varying skills can do a job in 6 minutes if they work together If the first typist typed alone for 4 minutes and then second typed for 6 minutes they would be left with 1 5 of the whole work How many minutes would it take the slower typist to complete the work alone

Q4. 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

Q5. P can complete the work in 16 days P and Q can complete the work in 12days In how many days Q alone can complete the same work