Time and Work questions and answers are most important for all competitive exams and entrance tests. In this section, you will find many types of time and work questions and answers. Practice these questions and answers that will help you crack any competitive exam like SSC, IBPS, PO, RBI, PSC, RAIL, PSU, and many more exams. Now, all competitive exams are online so here you can practice free online exams in our online test section. We are providing many exams time and work questions with solutions regularly. Check out this page regularly to get updated time and work questions and answers. Here you will find many other subjects general aptitude questions and answers.
Time and Work Questions and Answers
Q1. A can do a piece of work in 4 hours; B and C together can do it in 3 hours, while A and C together can do it in 2 hours. How long will B alone take to do it ?
A. 10 hours
B. 24 hours
C. 12 hours
D. 8 hours
Q2. A and B can do a work in 8 days, B and C can do the same work in 12 days. A, B and C together can finish it in 6 days. A and C together will do it in :
A. 8 days
B. 6 days
C. 4 days
D. 12 days
Q3. A works twice as fast as B. If B can complete a work in 12 days independently, the number of days in which A and B can together finish the work is :
A. 8 days
B. 4 days
C. 6 days
D. 18 days
Q4. A and B can together finish a work in 30 days. They worked together for 20 days and then B left. After another 20 days, A finished the remaining work. In how many days A alone can finish the job ?
A. 40
B. 50
C. 60
D. 54
Q5. P can complete a work in 12 days working 8 hours a day. Q can complete the same work in 8 days working 10 hours a day. If both P and Q work together, working 8 hours a day, in how many days can they complete the work ?
A. 72/11
B. 71/11
C. 61/11
D. 60/11
Q6. A, B and C can complete a piece of work in 24, 6 and 12 days respectively. Working together, they will complete the same work in :
A. 4 day
B. 24/7 day
C. 7/24 day
D. 1/24 day
Q7. A is 30% more efficient than B. How much time will they, working together, take to complete a job which A alone could have done in 23 days ?
A. 13 days
B. 18 days
C. 11 days
D. 15 days
Q8. A takes twice as much time as B or thrice as much time to finish a piece of work. Working together, they can finish the work in 2 days. B can do the work alone in :
A. 12 days
B. 6 days
C. 8 days
D. 4 days
Q9. A can do a certain work in the same time in which B and C together can do it. If A and B together could do it in 10 days and C alone in 50 days, then B alone could do it in :
A. 20 days
B. 15 days
C. 25 days
D. 30 days
Q10. A and B can do a work in 12 days, B and C in 15 days, C and A in 20 days. If A, B and C work together, they will complete the work in :
A. 47/6 days
B. 47/3 days
C. 10 days
D. 5 days
