TIME AND WORK MCQ SET 9
1. There is sufficient food for 1600 men for 120 days and each one take 900 gram food every day . But after 80 days 400 man leave the place and now each one take 1000 gram food every day . For how many days will the rest of the food last for rest of the men?
(a) 24
(b) 36
(c) 48
(d) 72
Answer: C
2. A can do a piece of work in 2 days , and B can do five times the same work in 15 days when they work for ten hours a day . If they work together , then how many hours in addition to a days’ work will they require to complete the work ?
(a) 2
(b) 1
(c) 0
(d) 3
Answer: A
3. 64 men working 8 hours a day plan to complete a piece of work in 9 days . How ever , 5 days later they found that they had completed only 40% of the work . They now wanted to finish the remaining work in 4 more days . How many hours per day should they need to work in order to achieve the target ?
(a) 11
(b) 12
(c) 13
(d) 15
Answer: D
4. Each one of five men independently can complete a work in 20 days . The work started by one person . Next day one more person joins and every next day one more joins . From the fifth day , five persons continued working as a team . In how many days , will the work be completed ?
(a) 2
(b) 6
(c) 3
(d) 5
Answer: B
5. 150 workers were engaged to finish a piece of work in a certain number of days .Four workers dropped the second day , four more workers dropped the third day and so on . It takes8 more days to finish the work now . Find the number of days in which the work was completed .
(a) 30
(b) 25
(c) 38
(d) 40
Answer: B
6. A contractor takes a contract to complete a road in 60 days and employs 70 labours . After 25 days , he found that one fourth work is completed . How many more labours he requires to complete the remaining work in time ?
(a) 90
(b) 82
(c) 80
(d) 85
Answer: C
7. A contractor undertook to complete a project in 90 days and employed 60 men on it . After 60 days , he found that 3/4 of the work has been completed . How many men can be discharged so that the project may be completed exactly on time ?
(a) 40
(b) 20
(c) 30
(d) 15
ย Answer: B
8. A man undertakes to do a certain work in 150 days . He employs 200 men . He finds that only a quarter of the work is done in 50 days . How many additional men should he employ so that the whole work is finished in time ?
(a) 75
(b) 85
(c) 100
(d) 120
Answer: C
9. At a workplace , one man alone can complete a work in 32 days . If the entire staff , i.e., 6 women and 4 men can complete the work in 6 days , how many days will one women alone take to complete the entire work?
(a) 144
(b) 86
(c) 244
(d) 154
Answer: A
10. A can do one – third of a work in 15 days , B can do 75% of the same work in 18 days and C can do the same work in 36 days . B and C work together for 8 days . In how many days will A alone complete the remaining work ?
(a) 24 days
(b) 18 days
(c) 20 days
(d) 16 days
Answer: C
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