MCQOPTIONS
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MCQOPTIONS
This section includes 20 Mcqs, each offering curated multiple-choice questions to sharpen your Chain Rule knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A contractor undertakes to do a piece of work in 40 days. He engages 100 men at the begining and 100 more after 35 days and completes the work in stipulated time. If he had not engaged the additional men, how many days behind schedule would it be finished? |
| A. | 3 |
| B. | 5 |
| C. | 6 |
| D. | 9 |
| Answer» C. 6 | |
| 2. |
Some persons can do a piece of work in 12 days. Two times the number of such persons will do half of that work in |
| A. | 6 days |
| B. | 12 days |
| C. | 4 days |
| D. | 3 days |
| Answer» E. | |
| 3. |
36 men can complete a piece of work in 18 days. In how many days will 27 men complete the same work ? |
| A. | 24 days |
| B. | 28 days |
| C. | 34 days |
| D. | 35 days |
| Answer» B. 28 days | |
| 4. |
pumps working 8 hours a day, can empty a tank in 2 days. How many hours a day must 4 pumps work to empty the tank in 1 day? |
| A. | 9 |
| B. | 10 |
| C. | 11 |
| D. | 12 |
| Answer» E. | |
| 5. |
39 persons can repair a road in 12 days, working 5 hours a day. In how many days will 30 persons, working 6 hours a day, complete the work? |
| A. | 10 |
| B. | 13 |
| C. | 14 |
| D. | 15 |
| Answer» C. 14 | |
| 6. |
If 7 spiders make 7 webs in 7 days, then 1 spider will make 1 web in how many days? |
| A. | 1 |
| B. | 3 |
| C. | 7 |
| D. | 14 |
| Answer» D. 14 | |
| 7. |
2 men and 7 boys can do a piece of work in 14 days; 3 men and 8 boys can do the same in 11 days. Then, 8 men and 6 boys can do three times the amount of this work in |
| A. | 18 days |
| B. | 21 days |
| C. | 24 days |
| D. | 30 days |
| Answer» C. 24 days | |
| 8. |
In a camp, there is a meal for 120 men or 200 children. If 150 children have taken the meal, how many men will be created to with the remaining meal? |
| A. | 10 |
| B. | 30 |
| C. | 50 |
| D. | 70 |
| Answer» C. 50 | |
| 9. |
A fort had provision of food for 150 men for 45 days. After 10 days, 25 men left the fort. The number of days for which the remaining food will last, is : |
| A. | 12 |
| B. | |
| C. | C. |
| D. | D. |
| Answer» D. D. | |
| 10. |
A 100 m long 3 m high and 30 cm wide wall is built by 30 men, 20 women and 50 children working 9 hours a day in 20 days. How long a wall 1.5 m high 30 cm wide can be built by 15 men, 25 women and 35 children working 2 hour a day in 15 days (given men, women and children are equally efficient)? |
| A. | 75 m |
| B. | 25 m |
| C. | 50 m |
| D. | 100 m |
| E. | 125m |
| Answer» C. 50 m | |
| 11. |
A garrison of 500 men had provision for 27 days. After 3 days a reinforcement of 300 men arrived. For how many more days will the remaining food last now? |
| A. | 15 |
| B. | 20 |
| C. | 25 |
| D. | 23 |
| Answer» B. 20 | |
| 12. |
A man completes ( frac{5}{8} ) of a job in 10 days. At this rate, how many more days will it take him to finish the job ? |
| A. | 4 |
| B. | 6 |
| C. | 8 |
| D. | 7 2 |
| Answer» C. 8 | |
| 13. |
If the price of 6 toys is Rs. 264.37, what will be the approximate price of 5 toys? |
| A. | Rs. 150 |
| B. | Rs.190 |
| C. | Rs. 210 |
| D. | Rs. 220 |
| E. | None of these |
| Answer» E. None of these | |
| 14. |
An industrial loom weaves 0.128 metres of cloth every second. Approximately, how many seconds will it take for the loom to weave 25 metres of cloth? |
| A. | 187 |
| B. | 195 |
| C. | 250 |
| D. | 844 |
| Answer» C. 250 | |
| 15. |
A man can walk a certain distance at a uniform speed in 100 days. How long will it take him to cover twice the distance at half the normal speed? |
| A. | 50 days |
| B. | 25 days |
| C. | 12 days |
| D. | 200 days |
| E. | 400 days |
| Answer» F. | |
| 16. |
A certain number of men can complete a piece of work in 180 days. If there are 30 men less, it will take 20 days more for the work to be completed. How many men were there originally? |
| A. | 135 |
| B. | 165 |
| C. | 150 |
| D. | 180 |
| E. | 300 |
| Answer» F. | |
| 17. |
4 mat-weavers can weave 4 mats in 4 days. At the same rate, how many mats would be woven by 8 mat-weaves in 8 days? |
| A. | 2 |
| B. | 4 |
| C. | 8 |
| D. | 16 |
| Answer» E. | |
| 18. |
If 20 men can build a wall 56 meters long in 6 days , what length of a similar wall can be built by 35 men in 3 days? |
| A. | 46 |
| B. | 47 |
| C. | 48 |
| D. | 49 |
| Answer» E. | |
| 19. |
In a dairy farm, 40 cows eat 40 bags of husk in 40 days. In how many days one cow will eat one bag of husk? |
| A. | 1 |
| B. | 20 |
| C. | 40 |
| D. | 60 |
| Answer» D. 60 | |
| 20. |
A certain number of men can finish a piece of work in 100 days. If there were 10 men less, it would take 10 days more for the work to be finished. How many men were there originally? |
| A. | 75 |
| B. | 82 |
| C. | 100 |
| D. | 110 |
| Answer» E. | |