TIME AND WORK MCQ SET 8
1. 14 men can complete a work in 15 days . If 21 men are employed , then in how many days will they complete the same work ?
(a) 10
(b) 14
(c) 12
(d) 15
Answer: A
2. If 35 men can finish a work in 6 days , then in how many days can 7 men do half of the same work?
(a) 17
(b) 30
(c) 15
(d) 60
Answer: C
3. Eighteen persons working 8 hours a day can complete 3 units of work in 10 days . How many days are required by 25 persons to complete 5 units of work working 6 hours a day ?
(a) 20
(b) 12
(c) 16
(d) 10
Answer: C
4. A work can be completed by N men in 15 days . 5 men leave the work after 3 days . The remaining work was completed in 18 days . What is the value of N?
(a) 18
(b) 21
(c) 15
(d) 12
Answer: C
5. Fourteen persons can do a work in 18 days . After 5 days of work , 6 workers left the work , and joined back on the last day of the work . In how many days the work got completed ?
(a) 24
(b) 12
(c) 21
(d) 27
Answer: D
6. 20 men can finish a work in 30 days . They started working but 4 men left the work after 10 days . In how many days would the work be completed?
(a) 35
(b) 28
(c) 25
(d) 30
Answer: A
7. 40 men can complete a piece of work in 18 days . 9 days after they start working together , 5 more men join them . How many days will they now take to complete the remaining work?
(a) 9 days
(b) 8 days
(c) 6 days
(d) 7 days
ย Answer: B
8. Five men can complete a work in 20 days . Ten women can complete the same work in 15 days . Two men and six women started working together . After 5 days three women left the work and a new man joined the work . The group continued working together till the end of the work . In how many days will they be able to do the remaining work ?
(a) 14
(b) 19
(c) 18 1/3
(d) 16 2/3
Answer: A
9. In a hotel , ratio is available for 148 persons for 51 days . If 37 persons left the hotel , then for how much days will the ration last ?
(a) 69
(b) 67
(c) 65
(d) 68
Answer: D
10. A college hostel mess has provisions for 25 days for 350 boys . At the end of 10 days , when some boys were shifted to another hostel , it was found that now the provisions will last for 21 more days . How many boys were shifted to another hostel ?
(a) 98
(b) 92
(c) 110
(d) 100
Answer: D
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