TIME AND WORK MCQ SET 1
1. A can do a piece of work in 12 days . whereas B can the same work in 18 days . in how many days (A&B) together can do the same work if they are working together ?
(a) 7ย 2/5
(b) 7ย 1/5
(c) 8ย 2/5
(d) 8ย 1/5
Answer: B
2. Aditya can do a piece of work in 24 days whereas Raman can do the same work in 45 days . In how many days they can complete the same work together .
(a) 350/23
(b) 360/23
(c) 350/33
(d) 360/37
Answer: B
3. A can do one fifth part of task in 4 days , B can do one sixth part of the same work in 5 days . If they work together , then in how many days can this task be completed ?
(a) 12
(b) 30
(c) 20
(d) 15
Answer: A
4. A alone can do a work in 30 days . B alone can do the same work in 60 days . If they work together for 5 days , then what part of the work will be left ?
(a) 2/3
(b) 1/2
(c) 3/4
(d) 5/6
Answer: C
5. If a can do a piece of work in 20 days whereas (A&B) together can do the same piece of work in 15 days . In how many days B alone can do the same work ?
(a) 60
(b) 80
(c) 50
(d) 32
Answer: A
6. C and D together can make a chair in 4 days and C alone can make this chair in 12 days . In how many days D alone can make this chair ?
(a) 10 days
(b) 6 days
(c) 4 days
(d) 8 days
Answer: B
7. P and Q together can do a work in 12 days , P alone can do the same work in 36 days , In how many days can Q alone complete two third part of the same work ?
(a) 12
(b) 18
(c) 15
(d) 21
ย Answer: A
8. A and B working together can do 45% of the work in 9 days . A alone can do the work in 30 days . how much days will B alone take to do the same work ?
(a) 60
(b) 70
(c) 48
(d) 50
Answer: A
9. A can do 1/4 part of a work in 9 days . B can do 2/3 part of the same work in 28 days . Working together , in how many days can A and B complete the whole work ?
(a) 261/15 days
(b) 198/17 days
(c) 252/13 days
(d) 262/11 days
Answer: C
10. A and B can complete a task in 25 days . B alone can complete 1/3 of the same task in 15 days . In how many days can A alone complete 4/15 th of the same task ?
(a) 15
(b) 10
(c) 18
(d) 12
Answer: A
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