1. Five women can do a work in thirty six days. If the ratio between the capacity of a man and a woman is 3:1, then find how many days it will take 5 men to complete the same work?

2. Arun and Amit can do a piece of work in 9 days and 12 days respectively. If they work for alternate days and Amit starts the work first, then in how many days 35/36 parts of whole work will be completed?

3. Mayank, Deepak and Pawan, each of them working alone can complete a work in 5, 10 and 15 days respectively. If all three of them work together to complete a work and earn Rs. 12,000, What will be Deepak's share of the earnings?

4. In a factory, 60 workers can stitch 120 mn of clothes in 7 days, what length of clothes can be stitched by 70 workers in 5 days?

5. P can do a piece of work in 60 days & Q can do the same work in 50 days. Find the ratio of working efficiencies of P to Q.

6. 30 persons can finish a job in 20 days. After 6 days how many persons should leave the job, so that work is completed in a total of 26 days?

7. 10 personis can do a job in X days. If 20 persons with twice the efficiency can do the same job in 5 days, then find the value of X?

8. 12 men finished 1/4 part of whole work in 6 days. Find the number of additional men required to complete the job in next 6 days.

9. Prashanth is twice as good a sportsman as Tarun and together they finish a piece of work in 21 days. In how many days will Tarun alone finish the work?

10. people can do a work in 30 days. In how many days, can 15 people complete double the work?

11. If 15 persons can do a job in 30 days, then 30 persons with twice the efficiency can do the same job in how many days?

12. Working together, P, Q and R reap a field in 6 days. If P can do it alone in 10 days and Q in 24 days, in how many days will R alone be able to reap the field?

13. X, Y and Z take 18 days to complete a piece of work. If X works alone he finishes the work in 36 days and if Y works alone he finishes it in 60 days. How long will it take Z to complete the work alone?

14. 6 carpenters make 96 windows in 16 days. If 8 carpenters work for 4 days how many windows will they make?

15. Manju takes 16 days to complete a work. If she works with her friend Jenny they complete it in 12 days. How many days will it take for Jenny to complete the work alone?

16. I take a book from a library containing 378 pages to be returned in a week's time. If I can read 14 pages an hour for three hours daily, for how long should it be renewed so that the book can be fully read?

17. I take a book from a library containing 378 pages to be returned in a week's time. If I can read 14 pages an hour for three hours daily, for how long should it be renewed so that the book can be fully read?

18. Rakshanth is twice as good a tradesman as Verma and together they finish a piece of work in 19 days. In how many days will Verma alone finish the work?

19. B does 50% of a work in 20 days. C joins B and they together finish the remaining work in 4 days. C alone can do the whole work ____in days.

20. The efficiency of work of P and Q are in the ratio 5: 7. What will be the ratio of number of days taken by them to finish the work?

21. A car covers the first 30 km at a speed of 60 kmph and the next 20 km at 80 kmph. Find the average speed.

22. A certain number of men agreed to do a work in 20 days. 5 men did not come for work. Others completed the work in 40 days. Find the number of men who had agreed to do the work originally.

23. Prashanth is twice as good a sportsman as Tarun and together they finish a piece of work in 21 days. In how many days will Tarun alone finish the work?

24. Working together, P, Q and R reap a field in 6 days. If P can do it alone in 10 days and Q in 24 days, in how many days will R alone be able to reap the field?

25. 30 men working 5 hours a day can do a task in 16 days. In how many days will 40 men working 6 hours a day do the same task?

26. 4 men can build a small house in 12 days. How long would it take for 6 men to build the same house?

27. A car travels at the speed of 50 km/hr for the first half of the journey and at the speed of 60 km/hr for the second half of the journey. What is the average speed of the car for the entire journey?

28. Pis twice as efficient as Q. Q takes 12 days to complete a job. If both of them work together, how much time will they take to complete the job?

29. Working alone, A can do a job in 15 days and B can do the same job in 18 days. In how many days will the job be completed if both work together?

30. A tank can be filled in 30 minutes. There is a leakage which can empty the tank in 90 minutes. Therefore, the tank will be filled in