Home
Class 14
MATHS
A sum of Rs 400 would become Rs. 441 aft...

A sum of Rs 400 would become Rs. 441 after 2 years at r% compound interest , find the value of 'r' :

A

`10%`

B

`5%`

C

`15%`

D

`20%`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • AVERAGES

    QUANTUM CAT|Exercise QUESTION BANK|171 Videos
  • CO-ORDINATE GEOMETRY

    QUANTUM CAT|Exercise QUESTION BANK|72 Videos

Similar Questions

Explore conceptually related problems

What sum will become Rs 12,550 after 2 years at 8% per annum compound interest?

Rs. 12000 amounts to Rs. 20736 in 3 years at r% p.a. of compound interest . What is the value of r ?

A sum of Rs. 10500 becomes Rs. 17745 in 2 years at the rate of compound interest. If the interest is compounded annually then what will be the rate of interest?

A sum of Rs. 5120 amounts to Rs. 7290 in 3 years at compound interest. Find the rate of interest per annum.

If a sum becomes Rs. 1352 in 2 years at 4% per annum compound interest then the sum is ?

A sum of Rs. 2400 amount to Rs. 2646 in 2 years. Find the rate of compound interest per annum?

Asum of Rs 11700 becomes Rs 16848 in 2 years at the rate of compoundinterest. If the interest is compounded annually, then what will be the rate of interest?

QUANTUM CAT-CI/ SI/ INSTALMENTS-QUESTION BANK
  1. The compound interest on Rs. 4000 at 25% p.a. in 3 years :

    Text Solution

    |

  2. The compound' interest on ₹ 5000 at 30%. per annum for 4 years:

    Text Solution

    |

  3. A sum of Rs 400 would become Rs. 441 after 2 years at r% compound inte...

    Text Solution

    |

  4. At compound interest , if a certain sum of money doubles in n years , ...

    Text Solution

    |

  5. Rs. 6000 amounts to Rs . 7986 in 3 years at Cl. The rate of interest i...

    Text Solution

    |

  6. The least number of complete years in which, a sum of money put at 20%...

    Text Solution

    |

  7. The Cl on Rs. 5000 for 3 years at 8% for first year, 10% for second ye...

    Text Solution

    |

  8. A sum of Rs. 2400 deposited at Cl, doubled after 5 years. After 20 yea...

    Text Solution

    |

  9. A sum of ₹ 550 was taken as a loan. This is to be paid back in two equ...

    Text Solution

    |

  10. The difference between CI and SI on a sum of money lent for 2 years at...

    Text Solution

    |

  11. The difference between simple and compound interest on Rs. 6000 for 1 ...

    Text Solution

    |

  12. A certain sum amounts to ₹ 8988.8 in two years and to ₹ 9528.128 in th...

    Text Solution

    |

  13. The compound interest and the simple interest for two years on a certa...

    Text Solution

    |

  14. The compound interest on a certain sum at a certain rate of interest f...

    Text Solution

    |

  15. Amit borrowed ₹ 800 at 10% rate of interest. He repaid ₹ 400 at the en...

    Text Solution

    |

  16. A sonata watch is sold for ₹ 440 cash or for ₹ 200 cash down payment ...

    Text Solution

    |

  17. A cellphone is available for ₹ 600 or for 300 cash down payment togeth...

    Text Solution

    |

  18. Abhinav purchases a track suit for ₹ 2400 cash or for ₹ 1000 cash down...

    Text Solution

    |

  19. Indicom cell-phone is available for ₹ 2500 cash or ₹ 520 cash down pay...

    Text Solution

    |

  20. An article is sold for ₹ 500 cash or for ₹ 150 cash down payments foll...

    Text Solution

    |