1. If 10 men can do a piece of work in 12 days, the time taken by 12 men to do the same piece of work will be ?

12 days

10 days

9 days

8 days

Answer: 10 days

Explanation:


2. Some carpenters promised to do a job in 9 days but 5 of them were absent and remaining men did the job in 12 days. The original number of carpenters was ?

24

20

16

18

Answer: 20

Explanation:


3. If 80 persons can finish a work within 16 days by working 6 hours a day, the number of hours a day, should 64 persons work to finish that very job within 15 days is ?

5 hrs.

7 hrs.

8 hrs.

6 hrs.

Answer: 8 hrs.

Explanation:


4. 30 men can repair a road in 18 days. They are joined by 6 more workers. Now the road can be repaired in ?

14 days

15 days

16 days

17 days

Answer: 15 days

Explanation:


5. A contractor undertook to finish a certain work in 124 days and employed 120 men. After 64 days, he found that he had already done 2/3 of the work. How many men can be discharged now so that the work may finish in time ?

48

56

40

50

Answer: 56

Explanation:


6. 2 men and 1 woman together can complete a piece of work in 14 days, while 4 women and 2 men together can do it in 8 days. If a man gets 600 per day, how much should a woman get per day ?

400

450

480

360

Answer: 400

Explanation:


7. If there is a reduction in the number of workers in a factory in the ratio 15 : 11 and an increment in their wages in the ratio 22 : 25, then the ratio by which the total wages of the workers should be decreased is ?

6 : 5

5 : 6

3 : 7

3 :5

Answer: 6 : 5

Explanation:


8. A and B were assigned to do a job for an amount of 1,200. A alone can do it in 15 days, while B can do it in 12 days. With the help of C, they can finish in 5 days. The share of amount that C earns is ?

300

400

500

600

Answer: 300

Explanation:


9. A, B and C together earn 150 per day while A and C together earn 94 and B and C together earn 76. The daily earning of ā€˜Cā€™ is ?

56

20

34

75

Answer: 20

Explanation:


10. A, B and C are employed to do a piece of work for 575. A and C are supposed to finish 19/23 of the work together. Amount shall be paid to B is ?

210

100

200

475

Answer: 100

Explanation: