Home
Class 10
MATHS
The rate of simple interest reduces from...

The rate of simple interest reduces from 4% to `3""1/4%` and for this, Amalbabu's annual income decreases by ₹60. Determine Amal babu's principal.

Text Solution

Verified by Experts

The correct Answer is:
₹ 8000
Promotional Banner

Topper's Solved these Questions

  • RIGHT CIRCULAR CYLINDER

    CALCUTTA BOOK HOUSE|Exercise Exercise - 2 (Long-answer type questions)|11 Videos

  • SIMILARITY

    CALCUTTA BOOK HOUSE|Exercise Exercise 5.2|27 Videos

Similar Questions

Explore conceptually related problems

The rate of simple interest per annum reduces from 4% to 3 3/4% and for this, a person's annual income decreases by ₨. 60. Determine the principal of that person.

If the rate of simple interest per annum decreases from 4% to 3(3)/(4)% , then the yearly income of a person decreases by 60Rs . Find the principal of that person.

If the rate of simple interest in percent per annum increases to 12(1)/(2)% from 10% , the income of a person increases to Rs1250 . Find the principal .

Rameshbabu deposits Rs 3,70,000 in total in three banks. The rates of simple interest per annum in three banks are 4%,5% and 6% respectively, after 1 year the total interests in three banks are equal. Calculate the amount he heas deposited in eah of the three banks.

At the same rate of simple interest in percent per annum, if a principal becomes the amount of 7100Rs in 7 years and of 6200Rs in 4 years. Determine the principal and rate of simple interest in percent per annum.

Find the interest of 300Rs from 3rd March to 15 May, 2016 at the rate of annual simple interest of 6%

A person borrowed Rs 10000 from four men. If he had to repay the first man for his Rs 2000 at the rate of simple interest of 8% per annum, the second man for his Rs 4000 at the rate of simple interest of 7(1)/(2)% per annum and the third man for his Rs 1400 at a rate of simple interest of 8(1)/(2)% per annum, then in what rate of simple interest in percent per annum, the fourth man should be paid for his rest part of principal so as to the average rate of simple interest be 8.13% per annum?

The simple interest of a sum of money at the rate of 4% per annum in 3 years is Rs. 303.60. Then find the compound interest of the same principal at the same rate of compound interest in the same period of time.

The annual rate of compound interest in 1st year be r_1% , in 2nd year be r_2% and the 3rd year be r_3% , then the total amount of principal ₹ p in 3 years =

At a rate of simple interest 7(1)/(2)% per annum, find the total amount of a principal of Rs600 in 219 days.

CALCUTTA BOOK HOUSE-SAMPLE QUESTIONS PAPERS-QUESTION
  1. If the ratio of the curved surface areas of two hemispheres be 4 : 25,...

    Text Solution

    |

  2. The median of 3, 4, 18, 20, 5 is 5.

    Text Solution

    |

  3. The rate of simple interest reduces from 4% to 3""1/4% and for this, A...

    Text Solution

    |

  4. If the rate of increase in population of is r% per year, the populatio...

    Text Solution

    |

  5. Fomd the value of a when (-1) is a root of the equation x^2 + ax + 3=...

    Text Solution

    |

  6. Determine which one of the two quanitties (sqrt(15) + sqrt3)) and (sqr...

    Text Solution

    |

  7. If x prop ""1/y and y prop""1/z , then determine whether x and z are i...

    Text Solution

    |

  8. If in DeltaABC, AB = ( 2a -1) cm, BC = 2sqrt(2a)cm" and "AC = ( 2a+1) ...

    Text Solution

    |

  9. Find the value of the complementrary angle of the angle 63^@ 25'15 ''.

    Text Solution

    |

  10. Prove that sqrt((1+cos 390^(@))/(1-cos 30^@)) = tan 60^@ + sec 60^@

    Text Solution

    |

  11. If a solid right circular rod of length 1 dcm is made by melting a sol...

    Text Solution

    |

  12. The numberical values of the volume and total surface areas of a solid...

    Text Solution

    |

  13. A hemisphere of internal diameter 36 cm is filled with water . If this...

    Text Solution

    |

  14. What is mode ? State the formula of mode for grouped frequency distrib...

    Text Solution

    |

  15. At the same rat of simple interest in present per annum, if a principl...

    Text Solution

    |

  16. Rate of increase in polpulation of a state is 2% in a year. The presen...

    Text Solution

    |

  17. Solve : 1/(a+b+x)=1/a+1/b+1/x[ x ne 0, -(a+b)]

    Text Solution

    |

  18. The tens' digit of a two digit number is less by 3 than the unit digit...

    Text Solution

    |

  19. The price of a diamond is ₹ 2000. The diamond is broken into two pies...

    Text Solution

    |

  20. If x=3+2sqrt2, then find the value of (sqrtx -""1/sqrtx)

    Text Solution

    |