Time and work Questions and Answers updated daily – Aptitude
12 Time and work Questions and answers section with explanation for various online exam preparation, various interviews, Aptitude Time and work online test. Time and work Questions with detailed description, explanation will help you to master the topic.
Time and work Questions
1. A alone can do a piece of work in 6 days and B alone in 8 days. A and B undertook to do it for Rs. 3200. With the help of C, they completed the work in 3 days. How much is to be paid to C?
2. A alone can do a piece of work in 6 days and B alone in 8 days. A and B undertook to do it for Rs. 3200. With the help of C, they completed the work in 3 days. How much is to be paid to C
3. A can do a piece of work in 4 hours . A and C together can do it in just 2 hours, while B and C together need 3 hours to finish the same work. In how many hours B can complete the work ?
4. A can do a piece of work in 15 days and B alone can do it in 10 days. B works at it for 5 days and then leaves. A alone can finish the remaining work in
SHOW ANSWER
Correct Ans:7.5 days
Explanation:
B's 5 days work =
1/10∗5=1/2Remaining work =1−1/2=12A can finish work =15∗12=7.5days
8. A, B and C can do a piece of work in 20, 30 and 60 days respectively. In how many days can A do the work if he is assisted by B and C on every third day?
10. A can finish a work in 18 days and B can do same work in half the time taken by A. then working together, what part of same work they can finish in a day
SHOW ANSWER
Correct Ans:1/6
Explanation:
Please note in this question, we need to answer part of work for a day rather than complete work. It was worth mentioning here because many do mistake at this point in hurry to solve the question
So lets solve now,
A's 1 day work = 1/18
B's 1 day work = 1/9 [because B take half time than A]
12. A and B can together complete a piece of work in 4 days. If A alone can complete the same work in 12 days, in how many days can B alone complete that work ?