Aptitude Preparation: Mock Test, IT Campus Placement, Aptitude Questions and Answers
Subject: Time and Work 2
Part 2: List for questions and answers of Time & Work
Q1. A and B complete a work in 6 days. A alone can do it in 10 days. If both together can do the work in how many days?
a) 3.75 days
b) 4 days
c) 5 days
d) 6 days
Q2. A and B together can do a piece of work in 8 days. If A alone can do the same work in 12 days, then B alone can do the same work in?
a) 20 days
b) 16 days
c) 24 days
d) 28 days
Q3. A can do a piece of work in 4 days. B can do it in 5 days. With the assistance of C they completed the work in 2 days. Find in how many days can C alone do it?
a) 10 days
b) 20 days
c) 5 days
d) 4 days
Q4. A and B can do a piece of work in 6 2/3 days and 5 days respectively. They work together for 2 days and then A leaves. In how many days after that B will complete the work alone.
a) 2 days
b) 1 ½ days
c) 3 days
d) 3 ½ days
Q5. A can do a piece of work in 30 days. He works at it for 5 days and then B finishes it in 20 days. In what time can A and B together it?
a) 16 2/3 days
b) 13 1/3 days
c) 17 1/3 days
d) 16 1/2 days
Q6. A and B can do a piece of work in 12 days and 16 days respectively. Both work for 3 days and then A goes away. Find how long will B take to complete the remaining work?
a) 15 days
b) 12 days
c) 10 days
d) 9 days
Q7. A and B can do a piece of work in 3 days, B and C in 4 days, C and A in 6 days. How long will C take to do it?
a) 18 days
b) 20 days
c) 24 days
d) 30 days
Q8. A can do a piece of work in 10 days. He works at it for 4 days and then B finishes it in 9 days. In how many days can A and B together finish the work?
a) 6 days
b) 8 days
c) 8 ½ days
d) 7 ½ days
Q9. A can do a piece of work in 40 days; B can do the same in 30 days. A started alone but left the work after 10 days, then B worked at it for 10 days. C finished the remaining work in 10 days. C alone can do the whole work in?
a) 24 days
b) 30 days
c) 44 days
d) 17 1/2 days
Q10. A work which could be finished in 9 days was finished 3 days earlier after 10 more men joined. The number of men employed was?
a) 18
b) 20
c) 22
d) 24
Q11. A and B can do a piece of work in 7 days. With the help of C they finish the work in 5 days. C alone can do that piece of work in?
a) 1 day
b) 10 days
c) 30 days
d) 32 days
Q12. Ravi can do a piece of work in 30 days while Prakash can do it in 40 days. In how many days will they finish it together?
a) 17 1/7 days
b) 27 1/7 days
c) 23 2/7 days
d) 16 4/11 days
Q13. Anil can do a work in 15 days while Sunil can do it in 25 days. How long will they take if both work together?
a) 3 4/9 days
b) 8 4/9 days
c) 9 3/8 days
d) 6 3/8 days
Q14. A can do a job in 18 days and B can do it in 30 days. A and B working together will finish twice the amount of work in ——- days?
a) 21 ½ days
b) 22 ½ days
c) 23 ½ days
d) 12 ½ days
Q15. A can do a piece of work in 12 days. When he had worked for 2 days B joins him. If the complete work was finished in 8 days. In how many days B alone can finish the work?
a) 18 days
b) 12 days
c) 24 days
d) 10 days
Q16. A and B together can do a work in 6 days. If A alone can do it in 15 days. In how many days can B alone do it?
a) 10
b) 15
c) 12
d) 16
Q17. A can do a piece of work in 15 days and B in 20 days. They began the work together but 5 days before the completion of the work, A leaves. The work was completed in?
a) 8 days
b) 10 days
c) 15 days
d) 11 3/7 days
Q18. A, B and C can do a piece of work in 24, 30 and 40 days respectively. They start the work together but C leaves 4 days before the completion of the work. In how many days is the work done?
a) 15 days
b) 14 days
c) 13 days
d) 11 days
Q19. A is thrice as efficient as B and is, therefore, able to finish a piece of work 10 days earlier than B. In how many days A and B will finish it together?
a) 3 1/2 days
b) 3 4/5 days
c) 3 days
d) 5 days
Q20. A, B and C can do a piece of work in 7 days, 14 days and 28 days respectively. How long will they taken, if all the three work together?
a) 3 days
b) 4 days
c) 5 days
d) 6 days
Part 2: List for questions and answers of Time & Work
Q1. Answer: a
Q2. Answer: c
Q3. Answer: b
Q4. Answer: b
Q5. Answer: b
Q6. Answer: d
Q7. Answer: c
Q8. Answer: a
Q9. Answer: a
Q10. Answer: b
Q11. Answer: c
Q12. Answer: a
Q13. Answer: c
Q14. Answer:
Q15. Answer: a
Q16. Answer: a
Q17. Answer: d
Q18. Answer: d
Q19. Answer: d
Q20. Answer: b