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A certain amount invested at a certain r...

A certain amount invested at a certain rate, compounded annually, grows to an amount in five years, which is a factor of 1.1881 more than to what it would have grown in three years. What is the rate percentage?
एक निश्रित राशि वार्षिक चक्रवृद्धि की किसी निश्चित दर पर निवेश की जाती है जो पांच वर्षों में बढ कर उतनी हो जाती है जो तीन वर्षों में इसमें हुई वृद्धि से 1.1881 अधिक का एक गुणक है | दर प्रतिशत ज्ञात करें|

A

9

B

8.1

C

8

D

9.2

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  13. On what amount, the interest compounded semi-annually at 12% per annum...

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  15. If the compound interest at 10% p.a. Compounded half-yearly for 1 1/2 ...

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