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A sum of money placed at compound intere...

A sum of money placed at compound interest doubles itself in 5 years. It will amount to eight times itself at the same rate of interest in-
एक धनसशि चक्रवृद्धि ब्याज पर 5 वर्ष में दुगुनी हो जाती है। ब्याज की समान दर पर वह कितने वर्षो में 8 गुना हो जाएगी?

A

10 years

B

20 years

C

12 years

D

15 years

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CHAMPION PUBLICATION-2015 TIER-II PAPER(17)-EXERCISE
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  2. A sum of money placed at compound interest doubles itself in 5 years. ...

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  3. There is a number consisting of two digits, the digit in the units pla...

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  4. The average of five consecutive positive integers is n. If the next tw...

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  5. A and B are the centers of two circles with radii 11 cm and 6 cm respe...

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  6. Let, x be the smallest number, which when added to 2000 makes the resu...

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  7. A man starts from a place P and reaches the place Q in 7 hours. He tra...

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  8. A car covers four successive 7 km distances at speeds of 10km/hour, 20...

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  9. Ifa shopkeeper wants to give 20% discount on a toy, he has to sell it ...

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  10. Ram sold two horses at the same price. In one he gets a profit of 10% ...

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  11. 300 grams of sugar solution has 40% of sugar in it. How much sugar sho...

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  12. Given that the ratio of altitudes of two triangles is 4 : 5, ratio of ...

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  13. AB and CD are two parallel chords of a circle of lengths 10 cm and 4 c...

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  14. Two blends of a commodity cost ing Rs. 35 and Rs. 40 per kg. respectiv...

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  15. If x = a cos theta + b sin theta and y=a sin theta-b cos theta, the va...

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  16. A manufacturer fixes his selling price at 33% over the cost of product...

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  17. A plane divides a right circular cone into two parts of equal volume. ...

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  18. Two places P and Q are 162km apart. A train leaves P for Q and simulta...

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  19. The area of an isosceles trapezium is 176 cm^(2) and the height is (2...

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  20. In an examination average marks obtained by the girls of a class is 85...

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