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तामिळनाडू बोर्ड ऑफ सेकेंडरी एज्युकेशनएस.एस.एल.सी. (इंग्रजी माध्यम) इयत्ता ८

The present value of a machine is ₹ 16800. It depreciates at 25% p.a. Its worth after 2 years is ₹ 9450 - Mathematics

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प्रश्न

The present value of a machine is ₹ 16800. It depreciates at 25% p.a. Its worth after 2 years is ₹ 9450

पर्याय

  • True

  • False

MCQ
चूक किंवा बरोबर
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उत्तर

True

Explanation;

Hint:

Present value of machine = ₹ 16800

Depreciation rate (n) = 25%

Value after 2 years = `"P"(1 - "r"/100)^"n"`

= `16800(1 - 25/100)^2`

= `16800 xx (1 - 1/4)^2`

= `16800 xx 3/4 xx 3/4`

= 9450

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पाठ 4: Life Mathematics - Exercise 4.3 [पृष्ठ १३९]

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सामाचीर कलवी Mathematics [English] Class 8 TN Board
पाठ 4 Life Mathematics
Exercise 4.3 | Q 2. (iii) | पृष्ठ १३९

संबंधित प्रश्‍न

Find the difference between the compound interest and simple interest. On a sum of Rs 50,000 at 10% per annum for 2 years.


The interest on a sum of Rs 2000 is being compounded annually at the rate of 4% per annum. Find the period for which the compound interest is Rs 163.20.


The difference between the S.I. and C.I. on a certain sum of money for 2 years at 4% per annum is Rs 20. Find the sum.


The compound interest, calculated yearly, on a certain sum of money for the second year is Rs. 1,089 and for the third year it is Rs. 1,197.90. Calculate the rate of interest and the sum of money.


Rs. 8,000 is lent out at 7% compound interest for 2 years. At the end of the first year Rs. 3,560 are returned. Calculate :
(i) the interest paid for the second year.
(ii) the total interest paid in two years.
(iii) the total amount of money paid in two years to clear the debt.


The cost of a machine depreciated by Rs. 4,000 during the first year and by Rs. 3,600 during the second year. Calculate :

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  2. The original cost of the machine.
  3. Its cost at the end of the third year.

Ashok borrowed Rs. 12,000 at some rate on compound interest. After a year, he paid back Rs.4,000. If the compound interest for the second year is Rs. 920, find:

  1. The rate of interest charged
  2. The amount of debt at the end of the second year

A sum of Rs. 8,000 is invested for 2 years at 10% per annum compound interest. Calculate:
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(ii) principal for the second year.
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(iv) the final amount at the end of the second year
(v) compound interest earned in 2 years.


Rohit borrowed ₹ 40,000 for 2 years at 10% per annum C.I. and Manish borrowed the same sum for the same time at 10.5% per annum simple interest. Which of these two gets less interest and by how much?


The simple interest on a certain sum of money at 4% p.a. for 2 years is Rs1500. What will be the compound interest on the same sum for the same time?


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