1. A and B together can complete a particular task in 4 days. If A alone can complete the same task in 12 days, how many days will B take to complete the task if he works alone?
1) 9 days
2) 7 days
3) 5 days
4) 3 days
5) None of these
2. A and B together can complete a particular task in 8 days. If B alone can complete the same task in 10 days, how many days will A take to complete the task if he works alone?
1) 28
2) 36
3) 40
4) 32
5) None of these
3. A and B together can complete a particular task in 6 days. If A alone can complete the same task in 10 days, how many days will B take to complete the task if he works alone?
1) 15
2) 16
3) 14
4) 12
5) None of these
4. A and B together can complete a particular task in 4 days. If A alone can complete the same task in 6 days, how many days will B take to complete the task if he work alone?
1) 8
2) 17
3) 14
4) 12
5) None of these
5. Yesterday Priti typed an essay of 5000 words at the speed of 60 words per minute. Today she typed the same essay faster and her speed was 15 % more than yesterday. What is the approximate difference in the time she took to type yesterday and the time she took to type today?
1) 20 min
2) 30 min
3) 10 min
4) 40 min
5) 1 hour
6. Yesterday Shweta completed 300 units of work at the rate of 15 units per minute. Today she completed the same units of work but her speed was 40% faster than yesterday. What is the approximate difference in the time she took today?
1) 16 min
2) 26 min
3) 46 min
4) 36 min
5) 6 min
7. 12 men can complete one-third of the work in 8 days. In how many days can 16 men complete that work?
1) 18
2) 12
3) 24
4) Cannot be determined
5) None of the above
8. 18 women can complete a work in 12 days and 12 men can complete the same work in 9 days. In how many days will 8 men and 8 women complete that work?
1) 9
2) 6
3) 12
4) 8
5) None of these
9. 24 men can complete a piece of work in 15 days. In how many days will 18 men complete that work?
1) 16 days
2) 20 days
3) 22 days
4) 25 days
5) None of these
10. 22 Men can complete a job in 16 days. In how many days will 32 Men complete that job?
1) 14
2) 12
3) 16
4) 9
5) None of these
11. 10 Men can complete a piece of work in 8 days. In how many days can 16 men complete that work?
1) 4 days
2) 5 days
3) 6 days
4) 3 days
5) None of these
12. 16 Men can complete a piece of work in 7 days. In how many days will 28 men complete the same work?
1) 6 days
2) 8 days
3) 3 days
4) 4 days
5) None of these
13. A alone can make 100 baskets in 6 days and B alone can make 100 baskets in 12 days. In how many days can A and B together make 100 baskets?
1) 3 days
2) 5 days
3) 21/2 days
4) 31/2 days
5) None of these
14. A single person takes 8 minutes to type a page. If from 1.00 pm to 2.00 pm, 1710 pages are to be typed, how many persons should be employed on this job?
1) 207
2) 221
3) 249
4) 256
5) None of these
15. A single person takes 3 min to write a letter. If from 10 am to 12:00 noon, 1960 letters are to be written, how many persons should be employed on this job?
1) 53
2) 47
3) 51
4) 49
5) None of these
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