**Q1. A, B and C can complete a piece of work in 10, 15 and 18 days respectively. In how many days, would all of them complete the same work working together?**

(a) 9/2

(b) 9/5

(c) 4/3

(d) 3

**Q2. A and B can do a piece of work in 12 days, B and C in 15 days, C and A in 20 days. How long would each of them would take separately to complete the same work?**

(a) 30 days, 30days & 65days

(b) 30 days, 20days & 60days

(c) 35 days, 25days & 60days

(d) 15 days, 25days & 65days

**Q3. Harbans Lal can do a piece of work in 24 days. If Bansi Lal works twice as fast as Harbans Lal, then how long would they take to complete the work working together?**

(a) 8 days

(b) 12 days

(c) 6 days

(d) 4 days

**Q4. A and B together can do a piece of work in 3 days. If A does thrice as much work as B in a given time, find, how long A alone would take to do the work?**

(a) 5 days

(b) 2 days

(c) 3 days

(d) 4 days

**Q5. A alone would take 8 hours more to complete the job than if both A and B worked together. If B worked alone, he took 9/2 hours more to complete the job than A and B worked together. What time would they take if both A and B worked together?**

(a) 7 days

(b) 2 days

(c) 6 days

(d) 8 days

**Q6. A is thrice as a good a workman as B and takes 10 days less to complete a piece of work than B takes. Find out time in which B alone can complete the work.**

(a) 15 days

(b) 5 days

(c) 14 days

(d) 21 days

**Q7. A complete 3/4 of a work in 12 days. In how many days he would complete 1/8 of the work?**

(a) 3

(b) 2

(c) 1

(d) 4

**Q8. If 10 persons can complete 2/5 of a work in 8 days, then find out the number of persons required to complete the remaining work in 12 days.**

(a) 12

(b) 11

(c) 9

(d) 10

**Q9. If 10 persons can cut 20 trees in 3 days by working 12 hours a day. Then, in how many days can 24 persons cut 32 trees by working 4 hours a day?**

(a) 6

(b) 5

(c) 7

(d) 8

**Q10. 12 men or 15 women can do a work in 14 days in how many days, 7 men and 5 women would complete the work?**

(a) 178/13

(b) 16

(c) 147/12

(d) 168/11

**Q11. Bansal, Gupta and Singhal together can complete a work in 4 days. If Bansal and Gupta together can complete the work in 24/5 days, Gupta and Singhal together can do it in 8 days, then Gupta alone can complete the work in:**

(a) 16 days

(b) 12 days

(c) 20 days

(d) None of these

**Q12. 4 men or 6 women can finish a piece of work in 20 days. In how many days can 6 men and 11 women finish the same work?**

(a) 9 days

(b) 6 days

(c) 7 days

(d) None of these

**Q13. Five men and 2 boys, working together, can complete four times as much work per hour as a man and a boy completes working together. The work completed by a man and a boy should be in the ratio:**

(a) 1: 2

(b) 2: 1

(c) 1: 3

(d) 4: 1

**Q14. A and B, working together, can complete a piece of work in 12 days B and C working together can complete the same piece of work in 16 days. A worked at it for 5 days and B worked at it for 7 days. C finished the remaining work in 13 days. How many days would C alone take to complete it?**

(a) 10 days

(b) 24 days

(c) 32 days

(d) 40 days