Advertisements
Advertisements
प्रश्न
In what time will Rs. 1500 yield Rs. 496.50 as compound interest at 10% per annum compounded annually?
Advertisements
उत्तर
Given P = Rs. 1500, I = 496.50, R = 10%
A = P+I
⇒ A =Rs. 1500+Rs. 496.50=Rs. 1996.50
`A = P(1 + R/100)^n`
`=> 1996.50 = 1500 (1 + 10/100)^n`
`=> 1996.50/1500 = (1 +1/10)^n`
`=> 1.331 = (1.1)^n`
`=> (1.1)^3 = (1.1)^n`
`=> n = 3`
APPEARS IN
संबंधित प्रश्न
Nikita invests Rs. 6000 for two years at a certain rate of interest compounded annually. At the end of the first year, it amounts to Rs. 6720. Calculate:
- the rate of interest.
- the amount at the end of the second year.
Calculate the amount and the compound interest for the following:
Rs.17,500 at 12°10 p.a. in 3 years
Calculate the amount and the compound interest for the following:
Rs.10,000 at 8°/o p.a. in `2 1/4` years
Calculate the amount and the compound interest for the following:
Rs.40, 000 at `5 1/4` % p.a. in `1 1/3` years
The value of a car depreciated by 10% in the first 2 years and by 8% in the third year. Express the total depreciation of the car as a single per cent during the three years.
The value of a machine depreciates by 10%, 12% and 15% in the first 3 years. Express the total depreciation of the machine as a single per cent during the three years.
Simple interest on a sum of money for 2 years at 4% is Rs. 450. Find compound interest on the same sum and at the same rate for 1 year, if the interest is reckoned half yearly.
Find the amount and the compound interest on the following :
Rs.16000 for 3 years at 10%, 8% and 6% for successive years.
Find compound interest on Rs 31250 for 3 years, if the rates of interest for 1st,2nd and 3rd years be 8%, 10% and 12% respectively.
What principal will amount to Rs.15729 in two years, if the rate of interest for successive years are 5% and 7% respectively, the interest is being compounded annually.
