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
11). A and B can complete a job in 24 days working together. A alone can complete it in 32 days. Both of them worked together for 8 days and then A left. The number of days B will take to complete the remaining job is
A). 16
B). 32
C). 64
D). 128
12). Ajay can do a piece of work in 25 days and Sanjay can finish it in 20 days. They work together for 5 days and then Ajay goes away. In how many days will Sanjay finish the remaining work?
A). 11 days
B). 14 days
C). 12 days
D). None of these
13). 10 men can make a wall in 8 days. How many men required to complete the same work in half day ?
A). 80
B). 100
C). 120
D). 160
14). 6 boys can complete a piece of work in 16 h. In how many hours will 8 boys complete the same work?
A). 10
B). 8
C). 12
D). 14
15). In a hostel, there are 120 students and food stock is for 45 days. If 30 new students join the hostel, in how many days will the complete stock be exhausted?
A). 38
B). 40
C). 32
D). 36


16). If 5 boys take 7 h to pack 35 toys, how many boys can pack 65 toys in 3 h?
A). 26
B). 39
C). 45
D). None of the above
17). 20 women can complete a piece of work in 7 days. If 8 more women are put on the job. In how many days will they complete the work?
A). 4.5 days
B). 5 days
C). 5.5 days
D). 4.5 days
18). 12 men can do a piece of work in 24 days. How many days are needed to complete the work, if 8 men do this work?
A). 28
B). 36
C). 48
D). 52
19). 20 men can cut 30 trees in 4 h. If 4 men leave the job, how many trees will be cut in 12 h?


A). 72
B). 80
C). 68
D). 79
20). 40 men can build a wall 200 m long in 12 days, working 8 h a day. What will be the number of days that 30 men will take to build a similar wall 300 m long, working 6 h per day


A). 32
B). 18
C). 36
D). 9
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