Time and work Practice Questions
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Four examiners can examine a certain number of answer papers in 10 days by working for 5 h a day. For how many hours in a day would 2 examiners have to work in order to examine twice the number of answer papers in 20 days.?
(a) 8 h (b) 9 h (c) 10h (d) 
(e) None of these
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Women and 6 men together can complete a piece of work in 6 days. In how many days, can 15 men complete the work if 9 women can complete the work in 10 days?
(a) 6 (b) 5 (c) 7.2
(d) Can't be determined (e) None of these
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Ayesha can complete a piece of work in 16 days. Amita can complete the same piece of work in 8 days. If both of them work together, in how many days can they complete the same piece of work?
(a) 150 days (b) 
days (c) 
days (d) 12 days
(e) None of these
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Two men alone or three women alone can complete a piece of work in 4 days. In how many days can one woman and one man together complete the same piece of work ?
(a) 6 days (b) 
days (c) 
days
(d) Can't be determined (e) None of these
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4 girls can do a piece of work in 8 days, same work 3 boys can do in 9 days, 7 men in 2 days and 5 women in 4 days. Who among them have the minimum capacity of work?
(a) Boy (b) Girl (c) Man (d) Woman
(e) Both boy and man
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Raju buys 550 mL milk everyday. The cost price of 1 litre milk is Rs 44, then which amount he would paid in 45 days?
(a) Rs 1098 (b) Rs 1079 (c) Rs 1099 (d) Rs 1088
(e) None of these
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A water tank has three taps A, B and C. Tap A, when opened, can fill the water tank alone in 4 h. Tap B, when opened, can fill the water tank alone in 6 h and tap C, when opened, can empty the water tank alone in 3 h. If I taps A, B and C are opened simultaneously, how long will it take to fill the tank completely ?
(a) 10 h (b) 8 h (c) 18 h (d) 12 h
(e) None of these
Answers:
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c
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e
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c
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b
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b
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e
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d
