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This section includes 58 Mcqs, each offering curated multiple-choice questions to sharpen your Arithmetic knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
3 workers Peroola, Rahul and Prashant can complete a piece of work in 6 days. Peroola takes 15 days less than Rahul to complete the same work. Find in how many days will Prashant complete the whole work alone with 75% of his original efficiency, if Rahul can complete the work alone in 35 days? |
| A. | 560 days 37 |
| B. | 499 days 36 |
| C. | 361 days 17 |
| D. | 555 days 43 |
| E. | None of these |
| Answer» B. 499 days 36 | |
| 52. |
A and B undertake a project worth Rs. 54000 . A alone can do the work in 10 days. They work together for 3 days. After 3 days, B works alone for 3 days and A completes the remaining work in 3 more days.What is the share of B in the earnings? |
| A. | Rs. 21600 |
| B. | Rs. 33400 |
| C. | Rs. 27800 |
| D. | Rs. 35780 |
| E. | None of these |
| Answer» B. Rs. 33400 | |
| 53. |
The hourly wages of a mason have increased by 25%. Since the increase, the number of hours he works daily has reduced by 16%. If he was earning Rs. 120 per day before the increase, how much (in Rs.) is he earning now? |
| A. | 124.5 |
| B. | 115.5 |
| C. | 126 |
| D. | 120 |
| E. | None of these |
| Answer» D. 120 | |
| 54. |
A can finish a work in 5 days and B takes 4 days to do the same work. If the work is increased by 8 times, How many days will it take for both of them to finish the work if they work together? |
| A. | 10 days |
| B. | 15 days |
| C. | 25 days |
| D. | 20 days |
| E. | None of these |
| Answer» E. None of these | |
| 55. |
If three men and two women can do the same piece of work as two men and three women, then what is the ratio of efficiency of men and women? |
| A. | 2 : 1 |
| B. | 1 : 2 |
| C. | 1 : 1 |
| D. | Can't be determined |
| E. | None of these |
| Answer» D. Can't be determined | |
| 56. |
Vijay can do a piece of work in 24 days. Rakesh can do the same work in 30 days and Vinod in 40 days. Vijay and Vinod worked for 4 days and handed it to Rakesh. Rakesh worked for some days and handed it again to Vijay and Vinod 6 days before completing the work. For how many days did Rakesh work? |
| A. | 5 days |
| B. | 10 days |
| C. | 8 days |
| D. | 6 days |
| E. | None of these |
| Answer» C. 8 days | |
| 57. |
Arnab is twice as fast as Bhanu, and Bhanu is one-third as fast as Chandu. If together they can complete work in 30 days, in how many days can Arnab, Bhanu and Chandu do the work respectively? |
| A. | 60, 180, 240 |
| B. | 90, 180, 120 |
| C. | 90, 180, 60 |
| D. | 90, 60, 180 |
| E. | None of these |
| Answer» D. 90, 60, 180 | |
| 58. |
A contractor hire Amitabh Arora to complete the work and Amitabh can do the work in 25 days. Amitabh worked for 5 days and after that Bindu singh completed it in 20 days. In how many days will Amitabh and Bindu together finish the work? |
| A. | 25 days 2 |
| B. | 25 days |
| C. | 15 days |
| D. | 23 days 2 |
| E. | None of these |
| Answer» B. 25 days | |