Home
Class 14
MATHS
The simple interest on a sum of money nu...

The simple interest on a sum of money number of years is equal to the rate per annum. The rate of annum is:(किसी राशि का साधारण बियाज मूलधन का 4 /9 है यदि दिए गए धन पर बियाज की वार्षिक दर तथा समय सम्म्मान हो तो बियाज दर किया होगी )

A

0.05

B

`6(2)/(3)`

C

0.06

D

`7(1)/(5)`

लिखित उत्तर

Verified by Experts

(b) Let the principal(माना की मूलधन)=9units Hence second interest(साधारण बियाज)=(4)/(9)xx9=4units
Let, Rate of interest(बियाज दर)=R%
R=T(Given)
By using formula,
`SI=(PxxRxxT)/(100)`
`4=(9xxRxxR)/(100) Rightarrow R^(2)=(400)/(9)`
`R=(20)/(3)=6(2)/(3)%`
Promotional Banner

टॉपर्स ने हल किए ये सवाल

  • RATIO & PROPORTION

    RAKESH YADAV|Exercise Year : 2014|74 Videos
  • SIMPLIFICATION

    RAKESH YADAV|Exercise All Questions|292 Videos
RAKESH YADAV-SIMPLE INTEREST-All Questions
  1. A sum of 10000 is lent partly at 8% and remaining at 10% per annum. I...

    Text Solution

    |

  2. A sum of 1600 gives a simple interest of 252 ub 2 years and 3 months. ...

    Text Solution

    |

  3. The simple interest on a sum of money number of years is equal to the ...

    Text Solution

    |

  4. 400 रु की राशि 4 वर्ष में 480 हो जाती है यद ब्याज की दर 2% बड़ा दी जाये...

    Text Solution

    |

  5. At what rate percent per annum will the simple interest on a sum of mo...

    Text Solution

    |

  6. In what time will be the simple interest be 2/5 of the principal at 8p...

    Text Solution

    |

  7. A sum of 1750 is divided into two pats such that the interest on the f...

    Text Solution

    |

  8. A sum of 1550 was lent partly at 5% and partly at 8 % simple interest....

    Text Solution

    |

  9. What sum of money will amount to 520 in 5 years and to 589 in 7 years ...

    Text Solution

    |

  10. 500 was invested at 12% annum simple interest and another certain sum ...

    Text Solution

    |

  11. A money lender finds that due to fall in the annual rate of interest f...

    Text Solution

    |

  12. A certain sum of money amounts 756 in 2 years at a certain rate of sim...

    Text Solution

    |

  13. What sum will amount to 7000 in 5years at 3(1)/(3) simple interest?(कि...

    Text Solution

    |

  14. The simple interest on a certain sum of 8 months at 4% per annum is 12...

    Text Solution

    |

  15. A man took a loan from a bank at the rate of 12% per annum at simple i...

    Text Solution

    |

  16. Mohan lent some amount of money at 9% simple interest and an equal amo...

    Text Solution

    |

  17. If the simple interest on a certain sum of money for 15 months at 7(1)...

    Text Solution

    |

  18. The simple interest on 7300 from 11 may, 1987 to 10 September,1987 (bo...

    Text Solution

    |

  19. A person borrows 5000 for 2 years at 4% per annum simple interest. He ...

    Text Solution

    |

  20. A certain sum of money becomes three times of itself in 20years at sim...

    Text Solution

    |