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Two workers A and B working together completed a job in 5 days. If A worked twice as efficiently as he actually did and B worked `(1)/(3) as efficiently as he actually did, the work would have been completed in 3 days. To complete the job alone. A would require

A

`5 1/5` days

B

`6 1/4` days

C

`7 1/2` days

D

`8 3/4` days

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CHAMPION PUBLICATION-2013 TIER-II PAPER(21)-EXERCISE
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  2. Three persons undertake to complete a piece of work for Rs 1,200. The ...

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  3. Two workers A and B working together completed a job in 5 days. If A w...

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  4. A can do a piece of work in 20 days and B in 30 days. They work togeth...

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  5. Sunil completes a work in 4 days, whereas Dinesh completes the work in...

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  6. A farmer can plough a field working 6 hours per day in 18 days. The wo...

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  8. A tradesman marks his goods 30% more than the cost price. If he allows...

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  9. A shopkeeper purchased a chair of M.P. Rs 600 after getting two consec...

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  10. The marked price of a paino was Rs 15,000. At the time of sale, there ...

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  11. The third proportional of 12 and 18 is- 12 तथा 18 का तीसरा समानुपाति...

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  13. Three numbers are in the ratio 2:3:4. If the sum of their squares is 1...

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  14. If x runs are scored by A y runs by B and z runs by C, then x:y = y:z=...

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  15. Rs.900 is divided among A, B, C, the division is such that 1/2 of A’s ...

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  16. If Rs 126.50 is divided among A, B and C in the ratio of 2 : 5 : 4, th...

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  17. The average of first three numbers is double of the fourth number. If ...

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  18. If the average of 6 consecutive even numbers is 25, the difference bet...

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  19. A train goes from Ballygunge to Sealdah at an average speed of 20 km/h...

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  20. The arithmetic mean of 100 observations is 24, 6 is added to each of t...

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