Monday, August 17, 2015

Time & Work Questions Practice Set 1st

Here I am presenting the first practice set of Time & Work Questions on the special demand of one of our sincere visitor, Mr. Anurag. This practice set contains 20 Questions of the same pattern as we had discussed on this blog in our previous posts related to this topic. I hope that you will be solve these questions, in case any problem you may ask for help by sending the “solution required for question no......” in comment or through forum.
Q1. 20 men can do a piece of work in 8 days. How many men are needed to complete the work in 10 days?
Ans. 16 men.
Q2. 16 men can do a work in 10 days. How many men can do the same work in 40 days?
Ans. 4 men.
Q3. 15 men can do a work in 6 days. How many men can do the same work in 3 days?
Ans. 30 men.
Q4. 30 men working 7 hours a day can do a work in 18 days. In how many days 21 men working 8 hours a day do the same work?
Ans. 22.5 days.

Q5. 20 women can prepare 40 articles in 24 days working 18 hours a day. Then in how many days can 36 women prepare 48 articles working 16 hrs. a day?
Ans. 18 days.
Q6. 5 men can make 10 toys in 6 days working 6 hours a day. In how many days can 12 men make 16 toys working 8 hours a day?
Ans. 3 days.
Q7. 10 men can make 20 toys in 3 days working 12 hours a day. In how many days can 24 men make 32 toys working 4 hours a day?
Ans. 6 days.
Q8. 40 men can cut 60 trees in 8 hours. If 8 men leave the job, How many trees will be cut in 12 hours?
Ans. 72 trees.
Q9. A group of men can do a work in 15 days, but 2 of them become absent. If the rest of the group did the work in 20 days, find the original number of men.
Ans. 8 men.
Q10. A certain number of men can do a work in 40 days. If there were 5 men more it could be finished in 5 days less. How many men are there?
Ans. 35 men.
Q11. A certain number of men can do a work in 160 days. If there were 18 men more it could be finished in 20 days less. How many men were originally there?
Ans. 126 men.
Q12. A certain number of men can do a work in 60 days. If there were 8 men more it could be finished in 10 days less. How many men were originally there?
Ans. 40 men.
Q13. A certain number of men can do a work in 40 days. If there were 6 men less it could be finished in 15 days more. How many men are there?
Ans. 22 men.
Q14. 38 men, working 6 hours a day can do a piece of work in 12 days. Find the number of days in which 57 men working 8 hours a day can do twice the work. Assume that 2 men of the first group do as much work in 1 hour as 3men of the second group do in 1   hours.
Ans. 27 days.
Q15. A group of men decided to do a work in 10 days but 5 men of them became absent. If the rest of men of the group did the work in 12 days. Find the original number of men in the group.
Ans. 30 men.
Q16. A group of men decided to do a work in 12 days but 8 men of them became absent. If the rest of men of the group did the work in 20 days. Find the original number of men in the group.
Ans. 30 men.
Q17. A can do a work in 20 days and B can do the same work in 30 days. How long will they take to complete the same work, working together?
Ans. 12 days.
Q18. A and B can do a work in 6 days. If A alone can do the same work in 9 days; then how long will B take to do the same work alone?
Ans. 18 days.
Q19. A can do a job in 10 days, B can do the same job in 12 days and C can do the same job in 15 days. In how many days they will finish the work together?
Ans.  4 days.
Q20. A can do a job in 10 days, B can do the same job in 12 days and C can do the same job in 15 days. In how many days they will finish the work together?
Ans.  5 days.
Hope you have enjoyed these questions based this chapter till now. Visitor’s are warm heartedly welcomed with their related problems and queries. More Conceptual enjoyment will be continued for you soon, just keep visiting this blog regularly and writing me your related queries through comment or forum.

Best of Luck for Exams. To be continued soon........................

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