1. A is thrice as good as workman as B and therefore is able to finish a job in 60 days less than B. Working together, they can do it in:
(1) 20 days (2) 22 ½
2. A alone can do a piece of work in 6 days and B alone in 8 days. A and B undertook to do it for Rs. 3200. With the help of C, they completed the work in 3 days. How much is to be paid to C?
(1) 325 Rs. (2) Rs. 400
(3) 600 Rs. (4) Rs. 800
3. A can do a piece of work in 4 hours; B and C together can do it in 3 hours, while A and C together can do it in 2 hours. How long will B alone take to do it?
(1) 8 hours (2) 10 hours
(3) 12 hours (4) 24 hours
4. A can do a certain work in the same time in which B and C together can do it. If A and B together could do it in 10 days and C alone in 50 days, then B alone could do it in:
(1) 15 days (2) 20 days
(3) 25 days (4) 30 days
5. A machine P can print one lakh books in 8 hours, machine Q can print the same number of books in 10 hours while machine R can print them in 12 hours. All the machines are started at 9 A.M. while machine P is closed at 11 A.M. and the remaining two machines complete work. Approximately at what time will the work (to print one lakh books) be finished ?
(1) 12 : 30 P.M (2) 1:00 P.M.
(3) 11: 30 A.M (4) 2: 00 P.M.
6. 4 men and 6 women can complete a work in 8 days, while 3 men and 7 women can complete it in 10 days. In how many days will 10 women complete it?
(1) 40 (2) 35
(3) 25 (4) 20
7. 10 women can complete a work in 7 days and 10 children take 14 days to complete the work. How many days will 5 women and 10 children take to complete the work?
(1) 3 (2) 4
(3) 8 (4) 7
8. X and Y can do a piece of work in 20 days and 12 days respectively. X started the work alone and then after 4 days Y joined him till the completion of the work. How long did the work last?
(1) 6 days (2) 10 days
(3) 15 days (4) 20 days
9. A is 30% more efficient than B. How much time will they, working together, take to complete a job which A alone could have done in 23 days?
(1) 12 (2) 15
(3) 16 (4) 13
10. Sakshi can do a piece of work in 20 days. Tanya is 25% more efficient than Sakshi. The number of days taken by Tanya to do the same piece of work is:
(1) 15 (2) 20
(3) 16 (4) 12
Answers:
Answers:
| 1. | 2 |
| 2. | 2 |
| 3. | 3 |
| 4. | 3 |
| 5. | 2 |
| 6. | 1 |
| 7. | 4 |
| 8. | 2 |
| 9. | 4 |
| 10. | 3 |
No comments:
Post a Comment