Time and work questions

1.   15 men can type 3240 pages in 6 days working 2 hours per day. How many men would be required to type 5400 pages working 4 hours per day for 3 days?

              1)   10            2) 16         3) 12         4) 25           5) None of these  

2.    5 workers collect 60 kg wheat in 3 days, how many kilogram of wheat will 8 workers collect in 5 days?

1)    80 kg         2) 100 kg       3) 120 kg     4) 160 kg      5) None of these

3.   50 people consume 350 kg of rice in 30 days. In how many days will 35 people consume 50 kg of rice?

1)   2 days      2) 3 days           3) 56 days          4) 7 days        5) None of these

4.   15 labours complete a work in 10 days working 6 hours per day, If 18 labours are employed on that work and the work is to be completed in 5 days, then how many hours per day should the work be continued?

1)  8            2)10                  3) 12                4) 9           5) None of these

5.   18 children can do a piece of work in 12 days. How many children would be required to do the same work in 8 days?

1) 12            2) 18        3) 24        4) 27         5) None of these

6.   If 18 men can do a certain job in 36 days, then in how many days can 9 men do the same job?

1)  36           2) 72               3)48            4)90        5) None of these  

7.   30 men can do a piece of work in 6 days. How many men would be required to do twice that work in 20 days?

1) 5           2) 6            3) 18               4) 9          5) None of these 

     8.  Govind alone can complete a work in 20 days. Jagdish alone completes it in 30 days.

How many days will be required if both of them work together?

1) 12 days         2) 24 days      3) 25 days     4)10 days       5) None of these 

9. Gopal can complete a work in 8 hours and Jai can complete it in 5 hours. How much time will be required if both of them work together?

1) 6.5 hours   2) 2 1/13 hours    3) 3 1/13 hours   4) 4 1/13 hours   5) None of these

10. A, B and C can finish a piece of work in 8, 12 and 24 days respectively. In how many days can they finish the work if all of them work together?

1) 10 days       2) 8 days         3) 6 days         4) 4 days           5) None of these 

 11. Father and Son can together finish a work in 3 days. Father alone can finish it in 5 days. How many days will the Son alone take to finish the work?

1)5 days          2)7.5 days           3)9 days             4)10 days          5)None of these

       12. 12 men can complete a work in 6 days. 8 women can do it in 12 days. If 6 men and 8

women are employed together, how many days will be required to finish the work? 

1) 8 days               2) 6 days         3) 12 days        4) 9 days     5) None of these

 13. 10 men can complete a piece of work in 15 days and 15 women can complete the same work in 12 days. If all the 10 men and 15 women work together, in how many days will the work get completed?

1) 6           2) 6.33            3) 6.66          4) 7.66         5) None of these 

 14. 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) 5           3) 7         4) can nopt be determined         5) None of these

Quantitative Aptitude SSC CGL questions

 15. 24 men can complete a work in 16 days. The same work can be completed by 8 women in 72 days, whereas 24 children take 32 days to complete it. If 10 men, 15 women and 24 children work together, in how many days can the work be completed?

1) 18             2)8              3)22                  4) 12           5) None of these

16. 12 men and 18 women can complete a work in 6 days whereas 12 women can complete the work in 18 days. 4 days after they started the work 4 men left, how many days will the remaining people take to complete the remaining work?

1) 2.4               2) 4                   3)3             4)5             5) None of these

17. 8 men and 4 women can complete a piece of work in 6 days. The work done by a man in one day is double the work done by a woman in one day. If 8 men and 4 women started working and after 2 days 4 men left and 4 new women joined, in how many more days will the work will be completed?

1) 5 days        2) 8 days          3) 6 days            4) 4 days        5) 9 days

18. A father can finish a work in 8 days. After working for 3 days, his son joined him and the remaining work got finished in next 1 day. If son works alone, how many days does he take to finish the work?

1) 8                2) 2            3)  4            4) 32          5) None of these

      19. A can do a piece of work in 24 days and B in 30 days. A worked for 6 days and then B also joined him. In how many days will the whole work be completed?

          1) 12 days    2) 14 days     3) 15 days     4) 16 days     5) None of these 

      20. 6 typists can do a piece of work in 8 hours. If 3 more typists whose working speed is double the earlier typists join together, then the work will be finished in how many hours?  

           1) 6 hours      2) 5 hours       3) 4 hours        4) Data inadequate       5) None of these

 21. 8 workers can do a work in 12 days. Two more workers whose efficiency is double than the earlier ones join them, in how many days they will be able to finish that work?

           1) 6            2)8             3) 10         4) cannot be determined        5) None of these.

22. Work done by A in one day is half of the work done by B in one day. Work done by B is half  of the work done by C, in one day. If C alone can complete the work in 7 days, in how many days can A, B and C together complete the same work?

    1) 28              2) 14              3) 4               4) 21          5) None of these  

23.  Pipes A and B can fill a cistern in 10 and 12 hours respectively and pipe C can empty it in 6 hours. If all the three are opened simultaneously, then how much time is required for the tank to be full? 

1)      20 hours       2) 60 hours   3) 80 hours         4) 40 hours       5) None of these

24.  A water tub can be filled by two taps in 8 min. One tap is closed after 3 min; the other tap fills the remaining tub in 15 min. How much time will the faster tap take to fill the tub?

            1)10 min         2) 11 min         3) 12 min           4) 15 min        5) None of these

25.  Three pipes A, B and C can fill a cistern in 15, 20 and 30 min respectively. They were all turned on at the same time but after 5 min the first two pipes were turned off. In what time will the cistern be full? 

1) 7.5 min       2) 5 min      3) 13 min     4) 12.5 min      5) None of these 

Answers:

        1 - 4, 2 - 4, 3 - 5, 4 - 2, 5 - 4, 6 - 2, 7 - 3, 8 - 1, 9 - 3, 10 - 4, 11 - 2, 12 - 2, 13 - 3, 14 - 3, 15 - 4, 16 - 1, 17 - 1, 18 - 2, 19 - 4, 20 - 3, 21 - 2, 22 - 3, 23 - 2, 24 - 3, 25 - 4

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