Advertisements
Advertisements
Question
To calculate the growth of a bacteria if the rate of growth is known, the formula for calculation of amount in compound interest can be used.
Options
True
False
Solution
This statement is True.
Explanation:
For calculating the growth of a bacteria for the rate of growth is known, then we can use the formula for calculation of amount in compound interest. where, A = growth after n years, P = initial number of bacteria and R = rate of growth.
APPEARS IN
RELATED QUESTIONS
In how much time would Rs 5000 amount to Rs 6655 at 10% per annum compound interest?
A sum is invested at compound interest, compounded yearly. If the interest for two successive years is Rs. 5,700 and Rs. 7,410. calculate the rate of interest.
Saurabh invests Rs. 48,000 for 7 years at 10% per annum compound interest. Calculate:
(i) the interest for the first year.
(ii) the amount at the end of second year.
(iii) the interest for the third year.
Rekha borrowed Rs. 40,000 for 3 years at 10% per annum compound interest. Calculate the interest paid by her for the second year.
Peter borrows ₹ 12,000 for 2 years at 10% p.a. compound interest. He repays ₹ 8,000 at the end of the first year. Find:
- the amount at the end of the first year, before making the repayment.
- the amount at the end of the first year, after making the repayment.
- the principal for the second year.
- the amount to be paid at the end of the second year, to clear the account.
The compound interest payable annually on a certain sum for 2 years is Rs 40.80 and the simple interest is Rs 40. Find the sum and the rate percent.
Depreciation value is calculated by the formula, `"P"(1 - "r"/100)^"n"`
The time taken for ₹ 1000 to become ₹ 1331 at 20% p.a, compounded annually is 3 years
Find the rate of compound interest at which a principal becomes 1.69 times itself in 2 years
The compound interest on Rs 50,000 at 4% per annum for 2 years compounded annually is ______.
