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1. A and B together can do a piece of work in 12 days and B and C finish the same work together in 16 days. After A has worked on it for 5 days and B for 7 days, C finishes it in 13 days. In how many days will C alone be able to finish the work ?

Answer & Explanation

Answer : Option

B Explanation :

2. Ramesh is twice as good a workman as Sunil and finishes a piece of work in 3 hours less than Sunil. In how many hours they together could finish the same piece of work ?

Answer & Explanation

Answer : Option

B Explanation :

3. A mother and a daughter working together can complete a certain work in 4 days. But if the mother worked alone she could complete the work in 6 days. Both of them worked for one day and then the mother had to leave. How long will the daughter take to complete remaining work ?

Answer & Explanation

Answer : Option

D Explanation :

= ${12 \times 3} \over 4$ = 9 days

4. If 15 women or 10 men can complete a project in 55 days, in how many days will 5 women and 4 men working together complete the same project ?

Answer & Explanation

Answer : Option A

Explanation :

5. 24 men working 8 hours a day can finish a work in 10 days. Working at the rate of 10 hours a day, the number of men required to finish the same work in 6 days is :

Answer & Explanation

Answer : Option B

Explanation :

6. A can do a work in 18 days, B in 9 days and C in 6 days. A and B start working together and after 2 days C joins them. What is the total number of days taken to finish the work ?

Answer & Explanation

Answer : Option B

Explanation :

7. A worker is paid Rs 56 for 35 hour in a week. Up to 40 hours, he is paid at the normal rate and on overtime, 1.5 times the normal. How many hours did he work to get Rs 88 ?

Answer & Explanation

Answer : Option B

Explanation :

8. A and B can do the a piece of work in 6 days. A alone can do it in 10 days. What time will B require to do it alone ?

Answer & Explanation

Answer : Option

B Explanation :

9. A and B weave a carpet in 10 days and 15 days, respectively. They begin to work together but B leaves after 2 days. In what time will A complete the remaining work ?

Answer & Explanation

Answer : Option B

Explanation :

10. A can do a piece of work in 25 days and B in 20 days. They work together for 5 days and then A goes away. In how many days will B finish the remaining work ?

Answer & Explanation

Answer : Option B

Explanation :

11. Two men and 7 children complete a certain piece of work in 4 days, while 4 men and 4 children complete the same work in only 3 days. The number of days required by 1 man to complete the work is :

Answer & Explanation

Answer : Option

B Explanation :

12. A can do a work in 9 days. If B is 50% more efficient than A, then in how many days can B do the same work alone ?

Answer & Explanation

Answer : Option C

Explanation :

13. A can do a piece of work in 10 days, while B alone can do it in 15 days. They work together for 5 days and the rest of the work is done by C in 2 days. If they get Rs 450 for the whole work, how should they divide the money ?

Answer & Explanation

Answer : Option A

Explanation :

14. A can do 50% more work as B can do in the same time. B alone can do a piece of work in 20 hours. A, with help of B, can finish the same work in how many hours ?

Answer & Explanation

Answer : Option B

Explanation :

15. If 15 men or 24 women or 36 boys can do a piece of work in 12 days, working 8 hours a day, how many men must be associated with 12 women and 6 boys to do another piece of work 2$1 \over 4$ times as great in 30 days working 6 hours a day ?

Answer & Explanation

Answer : Option B

Explanation :

16. A certain job was assigned to a group of men to do it in 20 days. But 12 men did not turn up for the job and the remaining men did the job in 32 days. The original number of men in the group was :

Answer & Explanation

Answer : Option A

Explanation :

Let originally there were x men in the group.

Therefore, (x - 12) men did the job in 32 days.

20x = 32 (x - 12) or x = 32

17. A daily wage worker was paid ` 1700 during a period of 30 days. During this period he was absent for 4 days and was fined Rs 15 per day for absence. He was paid the full salary only for 18 days as he came late on the other days. Those who came late were given only half the salary for that day. What was the total salary paid per month to the worker who came on time every day and was never absent?

Answer & Explanation

Answer : Option A

Explanation :

18. Rohit, Harsha and Sanjeev are three typists who working simultaneously can type 216 pages in four hour. In one hours Sanjeev can type as many pages more than Harsha as Harsha can type more than Rohit. During a period of five hours Sanjeev can type as many pages as Rohit can during seven hours. How many pages does each of them type per hour?

Answer & Explanation

Answer : Option

D Explanation :

19. A contractor undertakes to built a walls in 50 days. He employs 50 peoples for the same. However after 25 days he finds that only 40% of the work is complete. How many more man need to be employed to complete the work in time?

Answer & Explanation

Answer : Option A

Explanation :

20. A and B can finish a work in 10 days while B and C can do it in 18 days. A started the job, worked for 5 days, then B worked for 10 days and the remaining work was finished by C in 15 days. In how many days could C alone have finished the whole work ?

Answer & Explanation

Answer : Option

C Explanation :

21. 4 men and 10 women were put on a work. They completed 1/3 of the work in 4 days. After this 2 men and 2 women were increased. They completed 2/9 more of the work in 2 days. If the remaining work is to be completed in 3 days, then how many more women must be increased ?

Answer & Explanation

Answer : Option B

Explanation :

22. C is twice efficient as A. B takes thrice as many days as C. A takes 12 days to finish the work alone. If they work in pairs (i.e., AB, BC, CA) starting with AB on the first day, BC on the second day and AC on the third day and so on, then how many days are required to finish the work ?

Answer & Explanation

Answer : Option C

Explanation :

23. The work done by a woman in 8 hours is equal to the work done by a man in 6 hours and by a boy in 12 hours. If working 6 hours per day 9 men can complete a work in 6 days, then in how many days can 12 men, 12 women and 12 boys together finish the same work, working 8 hours per day ?

Answer & Explanation

Answer : Option D

Explanation :

24. A team of workers was employed by a contractor who undertook to finish 360 pieces of an article in a certain number of days. Making four more pieces per day than was planned, they could complete the job a day ahead of schedule. How many days did they take to complete the job ?

Answer & Explanation

Answer : Option

A Explanation :

25. Eight children and 12 men complete a certain piece of work in 9 days. If each child takes twice the time taken by a man to finish the work, in how many days will 12 men finish the same work?

Answer & Explanation

Answer : Option D

Explanation :

26. A, B and C working together completed a job in 10 days. However, C only worked for the first three days when $3 \over 100$ of the job was done. Also, the work done by A in 5 days is equal to the work done by B in 4 days. How many days would be required by the fastest worker to complete the entire work ?

Answer & Explanation

Answer : Option B

Explanation :

27. Two men undertake to do a piece of work for Rs.600. One alone could do it in 6 days and the other in 8 days. With the assistance of a boy, they finished it in 3 days. Boy's share should be

Answer & Explanation

Answer : Option A

Explanation :

28. If 6 engines consume 15 metric tones of coal when each is running 9 hours a day, how much coal will be required for 8 engines, each running 12 hours a day, if being given that 3 engines of former type consume as much as 4 engines of latter type?

Answer & Explanation

Answer : Option A

Explanation :

29. A tank is filled in 5 hours by three pipes A, B and C. The pipe C s twice as fast as B and B is twice as fast as A. How much time will pipe A alone take to fill the tank?

Answer & Explanation

Answer : Option

A Explanation :

30. Kumar can do a work in 3 days while Dinesh can do same work in 2 days. Both of them finish the work together an get Rs.150. What is the share of Kumar ?

Answer & Explanation

Answer : Option B

Explanation :

Ratio of 1 day work of kumar and dinesh = $1 \over 3$ : $1 \over 2$ = 2 : 3

Share of kumar in wages = $2 \over {2 + 3}$ $\times$ 150 = 2 $\times$ 30 = Rs.60

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