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
In what time will Rs. 1500 yield Rs. 496.50 as compound interest at 10% per annum compounded annually?
Ranbir borrows Rs. 20,000 at 12% per annum compound interest. If he repays Rs. 8400 at the end of the first year and Rs. 9680 at the end of the second year, find the amount of loan outstanding at the beginning of the third 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.30,000 at 8°/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
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.
Find the compound interest to the nearest rupee on Rs. 10,800 for `2 1/2` years at 10% per annum.
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.
Compute the compound interest for the third year on Rs. 5000 invested for 5 years at 10% per annum, the interest being payable annually.
Priyanka lends Rs.15,500 at 10% for the first year, at 15% for the second year and at 20% for the third year. If the rates of interest are compounded yearly, find the difference between the compound interest of the second year and the third year.
