What is the rate percent per annum if a sum doubles itself in 12 years at compound rate of interest?

Let the principal be x. Then, the amount after 12 years be 2x. Let the rate of interest be R. ∴ The rate of interest is 25/3\%.

At what rate of interest per annum will a sum of money doubles itself in 25 years?

The Sum of money doubles itself in 25 years. Concept: Simple interest is the interest calculated on the principal portion of the loan or the original contribution to the saving account. ∴ The rate of interest per annum is 4\%.

What will be the rate of interest per annum if the sum doubles itself in 5 years?

If a sum doubles itself in 5 years by simple interest. Calculations: Let P be the principal amount and R be the rate of interest. ∴ The rate of simple interest p.a. is 20\%.

At what rate percent will a sum of money doubles itself in 10 years?

10\%
As we know the simple interest means principle amount subtracted from final amount i.e. Hence the required rate in which the sum becomes double itself in 10 years is 10\%.

At what rate percent per annum will a sum of money double itself in 8 year?

12.5\% per annum
According to Simple Interest (S.I) formula. . Where P is principal amount, R is rate of interest and T will be time period. Hence, the rate of interest to double a money in 8 years will be 12.5\% per annum.

At what rate percent per annum simple interest will a sum of money double itself in 16 years?

The money doubles itself, it means 100\% money is added. So the simple interest is 6.25\% per year. Hope it helps.

What percentage of per annum is 1625?

Answer: The rate percent is 8\%.

What interest rate would allow a sum to double in 4.5 years?

If the interest per quarter is 4\% (but interest is only compounded annually), then it will take (72 / 4) = 18 quarters or 4.5 years to double the principal.

At what rate percent per annum will a sum of money double?

Hence, the rate of interest to double a money in 8 years will be 12.5\% per annum.

At what rate percent per annum will a sum of 6250?

Answer:12\% p.a.

How many years will a amount double itself at 10\% compounded quarterly?

In how many years will a amount double itself at 10\% interest rate compounded quarterly? Ans. t = (log (A/P) / log (1+r/n)) / n = log (2) / log (1 + 0.1 / 4) / 4 = 7.02 years 3. If interest is compounded daily, find the rate at which an amount doubles itself in 5 years?

What is the rate of interest on a 72\% annuity?

Hi there, the simplest rule of thumb for this is just divide the number 72 by the number of years in which the investment will double. If it doubles in 10 year the rate rate is about 7.2\%. If it doubles in 5 year, the the approximate interest rate is 72/5 = 14.4\%.

What is the percentage required for an amount to double itself?

Use the rule of 72. For an amount to double itself in x years, the percentage would be 72/x For an amount to double itself in 10 years, the percentage would be 72/10= 7.2\% It can work the other way as well. For an amount growing at x \% the no. of years required for it to double itself is 72/x

How can a sum of money be doubled in 5 years?

This assumes that interest is added once a year. If, for example, the 14.87\% is divided by 12 and that percentage added 12 times in the year, the final value will more than double because you will get a compound interest effect. Originally Answered: A sum of money is doubled in 5 years.