Quantitative Aptitude :: Time and Work Problems And Answers

Time and Work Formulaes

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1. A can do a work in 60days and B in 12 days.Then A and B together do the work in,how many days?

A. 5 days B. 4 days
C. 10 days D. 2 days

2. A and B together can do a work In 4 days. A alone can do it in 12days.what time B will take to do the work alone?

A. 6 days B. 8 days
C. 12 days D. 10 days

3. A can do a work in 24 days and B can do it in 8 days. In how many days A and B can do the work?

A. 20 days     B. 10 days    
C. 6 days     D. 8 days    

4. A can do a work in 30 days, B can do it in 20 days. They together under took to do a piece of work for Rs.1000, what is the share of B?

A. Rs.500 B. Rs.400
C. Rs.800 D. Rs.600

5. A and B can do a piece of work in 40 days and 50 days respectively. They work together for 10 days and B leaves. In how many days the whole work is completed?

A. 28 days B. 60 days
C. 20 days D. 30 days

6. A can do a work in 21 days and B alone can do it 28 days, they begin the work together, but A left after some days. B completed the remaining work in 21 days. After how many days did A leave ?

A. 10 B. 8
C. 3 D. 15

7. A is thrice as good work than as B. Together they can finish a work in 6 days.In how many days A alone do the work?

A. 6 days B. 10 days
C. 13 days D. 2 days

8. 36 workers can reap a field in 6 days. If the work is to be completed in 4 days, the extra workers required are

A. 10 B. 25
C. 18 D. 15

9. A certain number of men can do a work in 54days. If there were 6 men more it could be finished in 6 days less. How many men were there in the beginning?

A. 50 B. 48
C. 70 D. 40

10. 10 men can prepare 20 toys in 12 days working 15 hours a day. Then in how many days can 24 men prepare 32 toys working 20 hrs a day?

A. 4 days B. 10 days
C. 20 days  D. 25 days




Related Topics

Averages
Problems Based on Number
Number System
Area
Time and Distance
Problems on volume




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