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A certain sum of money on simple interest amounts to 1,278 in 3 years and to 1,593 in years. Find the rate of interest per annum.

Ravi invested certain sum on simple interest. He invested two-third of his sum at 7% p.a and the remaining at 8% p.a. In 3 years he earned ₹1320 as interest. Find the sum invested by him (in ₹).

A sum becomes 5 times of itself at 10% per annum simple interest. At what rate of simple interest will it becomes 10 times during the same period?

If a sum of ₹5,000 is deposited on compound interest at 10% per annum, then the amount received after 2 years is :

In how many years will a sum of ₹800 at 10% per annum compounded semi-annually become ₹ 926.10?

Mohan invest a certain sum at the rate of Simple Interest 5% per annum. Find the number of years for which Mohan has to invest the the sum to double his sum

Find the compound interest when Rs 22,500 is invested for 18 months at 8% p.a. if the interest is calculated every 6 months (correct to nearest Rs).

The simple interest on a certain sum of money for years at 12% per annum is RS.40 less than the simple interest on the same sum for years at 10% per annum. Find the sum

A sum of money doubles itself on simple interest in 10 years. Find the rate of interest per annum.

Ayan borrowed Rs. 50,000 from Ayush on 25th April, 2022 at 12% p.a. simple interest. Ayan cleared his debt on 18th September, 2022. How much interest is paid by Ayan?

The difference between simple interest and compound interest on a certain sum at 5% per annum for 2 years is ₹25. What is the sum invested?

How much time will it take for an amount of Rs.450 to yield Rs.81 as interest at 4.5% per annum of simple interest?

On a certain sum of money lent at 16% per annum, the difference between the compound interest for 1 year, payable half yearly and the simple interest for 1 year is ₹ 56. The sum is:

If a certain sum invested on compound interest become 3 times in 4 years, then the no. of years in which this sum will become 27 times at the rate interest is

Jayant invested a sum of Rs. 65,000 in two schemes and received Rs.7275 as interest after 2 years. In scheme I simple interest is payable at 6% per annum and in scheme II compound interest is payable at 5% per annum Find the ratio of sums he invested in scheme I and scheme II.

If a certain sum invested on compound interest becomes 3 times in 4 years, then the no. of years in which this sum will become 27 times at the same rate of interest is -

In how many time will a sum of money doubles itself at 7 1/2 % imple interest per annum:

The sum of money, which will amount to Rs.16,810 in 6 months at the rate of 10% per annum when the interest is compounded quarterly is: