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A can do a piece of work in 10 days and ...

A can do a piece of work in 10 days and B can do it in 12 days. They work together for 3 days. Then B leaves and A alone continues. 2 days after that C joins and the work is completed in 2 days more. In how many days can C do it, if he works alone ?

A

30 days

B

50 days

C

40 days

D

60 days

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CHAMPION PUBLICATION-2016 TIER-II PAPER(16)-EXERCISE
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  2. A can do as much work in 4 days as B can do in 5, and B can do as much...

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  3. A can do a piece of work in 10 days and B can do it in 12 days. They w...

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  4. The ratio of the amount of work done by (x-1) labours in (x+1) days an...

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  5. A book seller allowed 10% discount on printed price. He gets 30% commi...

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  6. A dealer is selling an article at a discount of 5% on the Marked price...

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  7. A shopkeeper increases the price of an object by 40% and then sells it...

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  8. The marked price of an article is Rs 5,000. But due to a special festi...

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  9. Find the fraction which bears the same ratio to 1/27 that 3/7 does to ...

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  10. The ratio of number of boys to the number of girls in a school of 432,...

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  11. If the three numbers in the ratio 3:2:5 be such that the sum of the sq...

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  12. Two bottles contain acid and water in the ratio 2:3and1:2 respectively...

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  13. The ratio of the number of boys and girls in a school is 3:2.If 20% of...

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  14. In two types of brass, the ratios of Copper to Zinc are 8 : 3 and 15 :...

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  15. An hour -long test has 60 problems. If a student completes 30 problems...

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  16. A and B have their annual average income Rs. 80,000. B and C have thei...

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  17. A car travels from A to B with 40 km/h and returns from B to A with 60...

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  18. In the first 10 overs of a cricket game, the run rate was only 3.2. Th...

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  19. The average (arithmetic mean) amount of savings of ten students is Rs....

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