Home
Class 10
MATHS
If the price of a machine depreciaters a...

If the price of a machine depreciaters at the rate of r% per annum, then prince of the mechine is ₹ V after t years. Determine what was the price of the machine begore t years.

Text Solution

Verified by Experts

`₹ V(1-""r/(100))^(-r)`
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 price of any machine decreased by 10% in each year. If the price of the machine will Rs 43740 after 3 years, then find the price of that machine at present.

The present price of a machine is ₹ 2V. If the price of the machine depriciates at a rate oa 2r% per annum, then the pricen of the machine after 2t year will be

The rate of depreciation of a machine is 15% of its value in the beginning of the year. If the value of the machine is Rs. 6141250 at the end of 3 years, then what was the value of the machine at the beginning iof the first year?

Question: The price of a machine in a factory of your uncle depreciates at the rate of 10% every year. If its present price is ₹ 6,000 then what will be its price after 3 years?

Present price of a machine is Rs 2P and if price of the machine decrease by 2r% in each year, the price of machine after 2n years will be.

The value of a machien being decreased in y years at the rate of r% per year, becomes Rs. V. Find the value of the machine before n years.

The value of a new machine is Rs. 360000. The rate of depreciation of the value of the machine in the first 2 years be 10% per annum and for the next years it is 25% per annum. So what will be the value of the machine after 4 years?

The value of a machine depreciates at the rate of 10% every year.It was purchased 3 years ago . If its present value is Rs. 8748, then its purchase price was?

The price of machine decreased by 10% in each year. If the present price of machine is Rs 1000 then calculate the price of a machine after 2 years.

The present value of a machine of a factory is Rs. 180000. If the value of the machine decreases at the rate of 10% per annum, then what will be the value of the machine after 3 years?

CALCUTTA BOOK HOUSE-SAMPLE QUESTIONS PAPERS-QUESTION
  1. The mode of the distributions 2, 3, 9, 10, 9, 3, 9 is 9.

    Text Solution

    |

  2. What is the rate of simple interest per annum, when the interest of so...

    Text Solution

    |

  3. If the price of a machine depreciaters at the rate of r% per annum, th...

    Text Solution

    |

  4. If a prop b, b prop c and c prop a, then find the product of three non...

    Text Solution

    |

  5. Find the product of 3^(1/2) and 3sqrt3

    Text Solution

    |

  6. P is any point inside the circle with centre at O. If the radius of th...

    Text Solution

    |

  7. AOB is the diameter of a circle. C is a point on the circumference of ...

    Text Solution

    |

  8. O is the centre of a circle and AC is one of its diamter. If /AOB = 80...

    Text Solution

    |

  9. The value of an angle is D in degree and R in radian. Find the value o...

    Text Solution

    |

  10. If r cos theta=2 sqrt(3), r sin theta=2 and 0^(@) lt theta lt 90^(@),...

    Text Solution

    |

  11. If the number of plane surfaces of a cuboid = x, number of edges = y, ...

    Text Solution

    |

  12. The lengths of radii of a solid right crcular cone and a solid sphere ...

    Text Solution

    |

  13. The arithmitic mean of a frequency distraction is 8. If Sigma fi xi = ...

    Text Solution

    |

  14. A person took a loan of ₹ 4000 from a bank at tha rate of 7% simple i...

    Text Solution

    |

  15. Three potters from Kumartuli collectively took a loan of ₹ 100000 fro...

    Text Solution

    |

  16. Solve : x^2+(8+sqrt(11)) x+sqrt(704)=0

    Text Solution

    |

  17. The sum of the squares of two consecutive positive odd numbers is 802....

    Text Solution

    |

  18. If (x^3 -y^3) prop (x^3 +y^3) then prove that (x - y) prop ( x + y)

    Text Solution

    |

  19. Simplify : (3sqrt2)/(sqrt3 +sqrt6) -(4sqrt3)/(sqrt6 +sqrt2) +sqrt6/(sq...

    Text Solution

    |

  20. If x = cy + bz, y = az + cx , z =bx + ay, then prove that x^2/(1-a^2)=...

    Text Solution

    |