time and work mcqs to prepare for nts,kppsc,fpsc,ppsc and more | mcqpk.com

time and work Mcqs

51. A and B can do a piece of work in 21 and 24 days respectively.They start the work together and after some days, A leaves and B completes the rest of the task in 9 days. After how many days did A leave?
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A. 7

B. 6

C. 8

D. 5

52. P and Q can complete a work in 20 days and 12 days respectively. P alone started the work and Q joined him after 4 days till the completion of the work. How long did the work last?
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A. 5 days

B. 15 days

C. 12 days

D. 10 days

53. To fill a cistern, pipes P, Q & R take 20, 15 & 12 minutes respectively. The time in minutes that the three pipes together will take to fill the cistern is:__________?
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A. 15 min

B. 20 min

C. 5 min

D. 10 min

54. 6 men and 8 women can complete a work in 10 days. 26 men and 48 women can finish the same work in 2 days. 15 men and 20 women can do the same work in_______days.
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A. 4 days

B. 8 days

C. 2 days

D. 6 days

55. A alone can finish a work in X days. B alone can finish the same work in X+5 days. Together, they take 6 days to complete the work. Find X
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A. 10

B. 12

C. 8

D. 9

56. A and B can finish a work 30 days if they work together. They worked together for 20 days and then B left. A finished the remaining work in another 20 days. In how many days A alone can finish the work?
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A. 50

B. 40

C. 70

D. 60

57. 8 men can dig a pit in 20 days. If a man works half as much again as a boy, then 4 men and 9 boys can dig a similar pit in:__________?
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A. 20 days

B. 18 days

C. 12 days

D. 16 days

58. Farjan and Kashif can complete a task in 30 days. Farjan leaves after 20 days and Kashif alone completes it in another 25 days. How many days does Farjan alone take to complete the entire task?
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A. 60

B. 75

C. 45

D. 50

59. A can do a certain work-in the same time in which B and C together can do it. If A and B together could do it in 10 days and C alone in 50 days, then B alone could do it in_________?
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A. 30 days

B. 15 days

C. 20 days

D. 25 days

60. Kamal will complete work in 20 days. If Suresh is 25% more efficient than Kamal, he can complete the work in________days.
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A. 14

B. 16

C. 15

D. 11

61. If X and Y complete a certain work in 10 days, Y and Z in 16 days and X and Z in 22 days, find the time required for each one to complete the work while working separately.
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A. 40, 30, 120 days

B. 120, 60, 80 days

C. 30, 40, 60 days

D. 120, 40, 60 days

62. Assume that 20 cows and 40 goats can be kept for 10 days for Rs.460. If the cost of keeping 5 goats is the same as the cost of keeping 1 cow, what will be the cost for keeping 50 cows and 30 goats for 12 days?
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A. Rs.1104

B. Rs.934

C. Rs.1000

D. Rs.1210

63. P, Q and R can complete a work in 24, 6 and 12 days respectively. The work will be completed in________days if all of them are working together.
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A. 5

B. 3 3?7

C. 4

D. 2

64. A and B working separately can do a piece of work in 9 and 12 days respectively. If they work for a day alternately. If A begins first, in how many days the work will be completed ?
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A. 42/4 days

B. None of these

C. 41/4 days

D. 55 days

65. If 6 men working together can complete 50 identical tasks in 4 hours then how many such identical tasks can be completed if 10 men are working together for 6 hours?
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A. 125

B. 25

C. 60

D. 20

66. If 6 men can make 10 sofas in 2 days, then 8 men can make 8 sofas in__________?
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A. 1.8 days

B. 1.5 days

C. 1.2 days

D. 1 day

67. 3 men and 7 women can complete a work in 10 days . But 4 men and 6 women need 8 days to complete the same work . In how many days will 10 women complete the same work?
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A. 40

B. 13

C. 30

D. 50

68. A can do a particular work in 6 days . B can do the same work in 8 days. A and B signed to do it for Rs. 3200. They completed the work in 3 days with the help of C. How much is to be paid to C?
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A. Rs. 400

B. Rs. 600

C. Rs. 380

D. Rs. 420

69. P can lay railway track between two stations in 16 days. Q can do the same job in 12 days. With the help of R, they completes the job in 4 days. How much days does it take for R alone to complete the work?
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A. 10 days

B. 9(2/5) days

C. 9(1/5) days

D. 9(3/5) days

70. Jameel can complete a task in 15 hours and Nasir can complete the same task in 12 hours. Jameel starts the task at 9:00 am and stops working at 2:00pm. Nasir starts working on the task at 4:00 pm. At what time is the task completed?
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A. 10:00 PM

B. 12:00 PM

C. 12:00 am

D. 2:00 AM

71. A is thrice as good a work man as B and takes 10 days less to do a piece of work than B takes. B can do the work in:___________?
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A. 30 days

B. 16 days

C. 15 days

D. 14 days

72. B can work 3 times faster than A. They work together on a task and complete it in a day. How long does it take for B alone to complete the task?
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A. 32 hours

B. 48 hours

C. 4 days

D. 3 days

73. A and B can do a piece of work in 72 days; B and C can do it in 120 days; A and C can do it in 90 days. In what time can A alone do it ?
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A. 80 days

B. 120 days

C. 150 days

D. 100 days

74. If 12 men work 8 hours a day to complete a work in 10 days, how many men working 12 hours a day can complete the work in 5 days?
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A. 12

B. 4

C. 8

D. 16

75. A and B can together do a piece of work in 15 days. B alone can do it in 20 days. In how many days can A alone do it ?
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A. 70 days

B. 40 days

C. 50 days

D. 60 days

76. 15 men can build a 500m long wall in 30 days. In how many days can 30 men build a 1.2 km long wall?
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A. 48 days

B. 40 days

C. 24 days

D. 36 days

77. A leak in the bottom of a tank can empty the full tank in 6 hrs. An inlet pipe fills water at the rate of 4 lit. a minute. When the tank is full, the inlet is opened and due to the leak, the tank is empty in 8 hrs. The capacity of the tank in liters is_________?
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A. 6,890 litres

B. 5,760 litres

C. 5,750 litres

D. None of these

78. P is able to do a piece of work in 15 days and Q can do the same work in 20 days. If they can work together for 4 days, what is the fraction of work left?
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A. 8/15

B. 15-Nov

C. 11-Feb

D. 15-Jul

79. Bilal can do a work in 15 days and Jalal in 12 days. If they work on it together for 4 days, the fraction of work that is left is________?
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A. 7-Apr

B. 2/5

C. 5-Mar

D. 4-Jan

80. 2 men and 12 women can finish a job in 4 days. 4 men and 6 women can do the same job in 5 days. Find the time taken by 1 man and 1 woman to complete the job.
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A. 30 days

B. 25 days

C. 24 days

D. 20 days

81. A is thrice as good as B in work. A is able to finish a job in 60 days less than B. They can finish the work in___________days if they work together.
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A. 18 days

B. 22 days

C. 26 days

D. 24 days

82. A can do (1/3) of a work in 5 days and B can do (2/5) of the work in 10 days. In how many days both A and B together can do the work ?
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A. 48/5 days

B. 75/8 days

C. 44/6 days

D. None of these

83. A tap can fill a tank in 32 min. and another can empty it in 16 min. If the tank is already half full and both the tanks are opened together, the tank will be_________?
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A. 14 min

B. 20 min

C. 12 min

D. 16 min

84. Twelve children take sixteen days to complete a work which can be completed by 8 adults in 12 days. After working for 3 days, sixteen adults left and six adults and four children joined them. How many days will they take to complete the remaining work ?
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A. 4 days

B. 3 days

C. 6 days

D. 8 days

85. A completes 80% of a work in 20 days. Then B also joins and A and B together finish the remaining work in 3 days. How long does it need for B if he alone completes the work?
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A. 31 days

B. 22 days

C. 37 days

D. 22 days

86. P can do a work in the same time in which Q and R together can do it. If P and Q work together, the work can be completed in 10 days. R alone needs 50 days to complete the same work. then Q alone can do it in__________?
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A. 25 days

B. 30 days

C. 15 days

D. 20 days

87. A,B,C, can do a work in 8,14,16 days respectively. A does the work for the first 2 days. B continues from it and finishes 2/3rd of the remaining work. C finishes the remaining work. How many days would have taken to complete the work?
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A. 11

B. 13

C. 12

D. 15

88. A and B can do a work in 8 days, 13, and C can do the same work in 12 days. A, B and C together can finish it in 6 days. A and C together will do it in_________?
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A. 6 days

B. 12 days

C. 8 days

D. 4 days

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