time and work MCQs – Page 4

Practise focused time and work questions with marked answers for exam preparation and subject revision.

time and work Mcqs

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

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