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The least number of complete years in wh...

The least number of complete years in which a sum of money put out at 20% compound interest will be more than double is

A

2years

B

4years

C

6years

D

none of these.

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UNITED BOOK HOUSE-Compound Interest and Uniform rate of Increase or Decrease -Exercise
  1. The ratio of compound interest in second year and the simple interest ...

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  2. The difference of compound interest and simple interest in a year of ₹...

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  3. The least number of complete years in which a sum of money put out at ...

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  4. If the compound interest in 1 year of a certain principal at a certain...

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  5. The annual rate of compound interest in 1st year be r1%, in 2nd year b...

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  6. The compound interest on ₹ p in 2 years at 10% per annum is

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  7. What is the difference between the compound interest on ₨ 5000 for 1.5...

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  8. There is 60% increase in an amount in 6 years at simple interest. What...

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  9. A bank offers 5% compound interest calculated on half-yearly basis a c...

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  10. Find the compound interest on ₨ 16,000 at 20% per annum for 9 months, ...

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  11. The difference between compound interest and simple interest on an amo...

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  12. The differences between simple and compound interests compounded annua...

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  13. Albert invested an amount of ₨ 8000 in a fixed deposit scheme for 2 ye...

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  14. The effective annual rate of interest corresponding to a nominal rate ...

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  15. Andrews earns an interest of ₨ 1596 for third year and ₨ 1400 for the ...

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  16. A sum amounts to ₨ 882 in 2 years at 5% compound interest. The sum is

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  17. On a certain sum of money, the simple interest for 2 years is ₨ 200 at...

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  18. If the simple interest on a sum at 4% per annum for 2 years is Rs. 80,...

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  19. At what rate per annum will ₨ 32000 yield a compound interest of ₨ 504...

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  20. In what time will ₨ 10,000 amount to ₨ 13310 at 20% per annum compound...

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