10 Time and Work Questions for RRB NTPC — Part 1 (2020)
In this post, we have created a list of 10 important time and work questions for RRB NTPC. This is the first part of time and work problem series. These questions are in MCQ format and their answer key is at the end of the page. It is upside down to discourage cheating.
This should help you practice for other kinds of government competitive exams as well. We have also created others posts with Important Time and Work practice questions, Time and Work questions for SSC, Time and Work questions for Bank PO.
If you cannot solve any of these questions or if you think that the questions have an incorrect answer, please let us know in the comments.
You can also ask your own questions in the comments or in the competitive Maths forum completely FREE. We will answer all your queries as soon as possible.
Time and Work Questions for RRB NTPC (Easy)
These are some easy time and work problems that you should be able to solve in 5-10 seconds.
1) Mohit and Manisha together take 21 days to complete a work. Mohit is 50% more efficient than Manisha. How long will Mohit take to do it alone?
2) Ankur can do a piece of work in 60 days and Jay is 25% more efficient than Ankur. How many days will Jay take to do the same work?
3) 6 men and 7 women or 14 men and 5 women or 7 men and 9 children can complete a work in 67 days. How many men are needed to do the same work as 1 woman?
Time and Work Questions for RRB NTPC (Medium)
These are some time and work problems with medium difficulty level. Try to solve them in 15-20 seconds.
4) Parth can do 4/15 of work in 16 days. Rishabh can do 5/14 of the same work in 30 days. How many days will they take to complete the work together?
5) A wall of 150 metres can be built by 10 men or 15 women in 60 days. How many days will 20 men and 19 women take to build a wall of 245 metres?
6) Soham and Jacob can complete a work together in 49 days. To complete the work, Soham works alone for 70 days and Jacob works alone for 37 days. How long will Jacob take to complete the work alone?
Time and Work Questions for RRB NTPC (Hard)
These are some time and work problems with hard difficulty level. Try to solve them in 30-40 seconds.
7) 6 men and 13 women or 9 men and 5 children or 7 women and 6 children can complete a work in 180 days. How long will 51 men, 34 women and 43 children take to complete the work together?
8) 14 men and 7 boys can do a piece of work in 36 days while 7 men and 13 boys can do the same in 42 days. How long will 7 men and 7 boys take to do the same type of work?
9) Kartik does 1/3 piece of work in 24 days. Atul does 1/5 of the remaining work in 16 days and Alok finishes remaining work in 30 days. How long would it have taken the three working together to do the work?
10) 20 women take 15 days to complete a work which can be completed by 15 men in 19 days. 16 men started working on it. After 6 days, 5 men left and 5 women joined them. How many days will it take them to complete the remaining work?
Answer Key —
1. b, 2. a, 3. a, 4. b, 5. d, 6. c, 7. a, 8. d, 9. c, 10. d
Tag:Time and Work
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