Advertisements
Advertisements
प्रश्न
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.
Advertisements
उत्तर
Given : Amount = Rs.15729, n = 2 years, r1 = 5 and r2 = 7%
A = `"P"(1 + "r"_1/100)(1 + "r"_2/100)`
⇒ 15729 = `"P"(1 + 5/100)(1 + 7/100)`
⇒ 15729 = `"P"(105/100)(107/100)`
⇒ P = `(15729 xx 100 xx 100)/(105 xx 107)`
⇒ P = Rs.14000.
APPEARS IN
संबंधित प्रश्न
The present population of the town is 2,00,000. The population is increased by 10% in the first year and 15% in the second year. Find the population of the town at the end of two years.
Calculate the amount and the compound interest for the following:
Rs.23,7 50 at 12°/o p.a. in `2 1/2` 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
Calculate the amount and the compound interest for the following:
Rs.22, 500 at 12 °/o p.a. in `1 3/4` 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.
The value of a machine, purchased two years ago, depreciates at the annual rate of 10%. If its present value is Rs.97,200, find:
- Its value after 2 years.
- Its value when it was purchased.
A sum of money was invested for 3 years, interest being compounded annually. The rates for successive years were 10%, 15% and 18% respectively. If the compound interest for the second year amounted to Rs. 4,950, find the sum invested.
Compute the compound interest for the third year on Rs. 5000 invested for 5 years at 10% per annum, the interest being payable annually.
How much will Rs 14000 amounts to 2 years at compound interest, if the rates for the successive years be 5% and 8% respectively?
A man borrows Rs.20000 at 10% per annum compound interest payable annually. If he repays Rs.5000 at the end of the first year and Rs.10000 at the end of the second year; how much should he pay at the end of the third year in order to clear the account? Find the answer correct to the nearest rupee.
