Time and Work in Aptitude MCQ Quiz (Multiple Choice Questions And Answers)
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21. 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?
- 20
- 4
- 16
- 2
22. After working for 6 days, Ashok finds that only 1/3 rd of the work has been done. He employs Ravi who is 60% as efficient as Ashok. How many days more would Ravi take to complete the work?
- 10
- 5
- 20
- 25
23. A is twice as good a work man as B and together they finish the work in 14 days. In how many days A alone can finish the work?
- 7
- 21
- 14
- 25
