Time and work Questions and answers

Topics

  1. Aptitude
    1. Compound interest
    2. Boat and Stream
    3. Trains
    4. Percentage
    5. Discount
    6. Mixture and Allegation
    7. Unitary Method
    8. Work and Wages
    9. Pipes and Cisterns
    10. Linear Equations
    11. Approximation
    12. Word problems
    13. Number System
    14. Time and Distance
    15. Average
    16. Ratio and Proportions
    17. Profit and Loss
    18. Partnership
    19. Permutation and combination
    20. Probability
    21. Problem on ages
    22. Time and work
    23. Simple and compound interest
    24. Mensuration
    25. Number series
71). Rajan can do .a piece of job in 6 days, Sunil in 8 days and Mukesh in 12 days. Sunil and Mukesh worked together for 2 days and then Rajan replaces Mukesh. Now how long the new partner will have to work to complete the job?
A). 10 days
B). 7 days
C). 4 days
D). 2 days
72). 25 men were employed to do a piece of work which they could finish in 20 days. But the men dropped off by. 5 at the end of every 10 days. In what time will the work be completed?
A). 17 days
B). \( \Large 23\frac{1}{3} \) days
C). 8 days
D). 26 days
73). If 10 men can do a work in 6 days and 15 women can do the same in 5 days, then 8 men and 5 women can together do the work in
A). 7 days
B). 6 days
C). 5 days
D). 4 days
74). Rambabu can do half of a work in 8 days, while Santosh can do one third of the same work in 8 days. In how many days can both do it together?
A). 9.6 days
B). 10.5 days
C). 11.2 days
D). 16.0 days
75). Sohan can do a piece of work in 16 days and Rohan in 24 days. They take the help of Mohan and three together finish the work in 6 days. If total remuneration for the work is Rs.80/-, then amount each will receive in proposition to the work done by each is
A). Rs.30/-, Rs.20/- and Rs.30/-
B). Rs.30/-, Rs.30/- and Rs.20/-
C). Rs.40/-, Rs.20/- and Rs.20/-
D). Rs.20/-, Rs.30/- and Rs.30/-


76). A can do a piece of work in 120 days and B can do it in 150 days. They work together for 20 days then B leaves and A continues the work alone. 12 days after C joins in place of B and the work is completed in 48 days more. In how many days can C do it if he works alone?
A). 250 days
B). 240 days
C). 260 days
D). 280 days
77). A work can be finished in 18 days by 6 boys in 8 hours per day. How many days will be required if 18 boys in 9 hour per day per employed to complete three times of the work?
A). 14 days
B). 15 days
C). 16 days
D). 18 days
78). Jack and Jill undertook a contract to do a certain job for Rs.10000. Jack alone could do the job in 3 weeks and Jill alone in 4 weeks. If both of them finished the job working together, in what ratio should money be divided?
A). 3 : 4
B). 4 : 3
C). 1 : 1
D). 2 : 3
79). To finish a certain job X takes twice as Y and Z together and Z three times as long as X and Y together. If X, Y and Z working together complete the job in 6 days. How long would X take to complete the work alone?
A). 16 days
B). 18 days
C). 24 days
D). 28 days
80). A, B and C can do a work in 20 days. They worked together for 8 days, then A left the work and B and C finished the remaining work in 20 days. In how many days will A alone do the work?
A). 45 days
B). 50 days
C). 55 days
D). 65 days
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