Advertisements
Advertisements
प्रश्न
In how much time will a sum of Rs 1600 amount to Rs 1852.20 at 5% per annum compound interest?
Advertisements
उत्तर
\[A = P \left( 1 + \frac{R}{100} \right)^n \]
\[1852 . 20 = 1600 \left( 1 + \frac{5}{100} \right)^n \]
\[\frac{1852 . 20}{1600} = \left( 1 . 05 \right)^n \]
\[ \left( 1 . 05 \right)^n = 1 . 157625\]
\[ \left( 1 . 05 \right)^n = \left( 1 . 05 \right)^3 \]
On comparing both the sides, we get:
n = 3
Thus, the required time is three years .
APPEARS IN
संबंधित प्रश्न
The population of a place increased to 54000 in 2003 at a rate of 5% per annum Find the population in 2001.
At what rate percent will a sum of Rs 1000 amount to Rs 1102.50 in 2 years at compound interest?
Three years ago, the population of a town was 50000. If the annual increase during three successive years be at the rate of 4%, 5% and 3% respectively, find the present population.
In a factory the production of scooters rose to 46305 from 40000 in 3 years. Find the annual rate of growth of the production of scooters.
The population of a town increases at the rate of 50 per thousand. Its population after 2 years will be 22050. Find its present population.
The value of a machine depreciates at the rate of 10% per annum. What will be its value 2 years hence, if the present value is Rs 100000? Also, find the total depreciation during this period.
The cost of a T.V. set was quoted Rs 17000 at the beginning of 1999. In the beginning of 2000 the price was hiked by 5%. Because of decrease in demand the cost was reduced by 4% in the beginning of 2001. What was the cost of the T.V. set in 2001?
The population of a suburb is 16000. Find the rate of increase in the population if the population after two years is 17640.
Gautam takes a loan of ₹ 16,000 for 2 years at 15% p.a. compound interest. He repays ₹ 9,000 at the end of the first year. How much must he pay at the end of the second year to clear the debt?
The cost of a sewing machine is Rs 7,000. Its value depreciates at 8% p.a. Then the value of the machine after 2 years is Rs 5,924.80.
