A certain sum of money becomes seven times itself when invested at a certain rate of simple interest, in 14 years. How much time (in years, rounded off to 2 decimal places) will it take to become 18 times itself at the same rate?

The simple interest received on a sum is 64/81 of the sum. The number of years is equal to the annual rate of interest. What is the annual rate of interest?

A sum was invested for 3 years on compound interest at 6%, 12%, and 18% in the first, second, and third years respectively. The sum amounts to Rs.20,000 in 3 years. Find the principal amount.

A certain sum of money is given at a certain rate of simple interest for 6 years. Had it been given at a 7% higher rate, it would have fetched ₹1,512 more. Find the sum (in ₹).

A sum of money when invested for 8 years on simple interest doubles itself. 1/3^rd of the amount collected after 8 years is invested again on simple interest at double rate for 3 years. If the amount collected after 3 years is Rs. 21000 then find the sum invested initially.

Simple interest and compound interest on a principal at a certain rate of interest for 2 years is Rs. 12800 and Rs. 14400 respectively. What is the principle?

The compound interest on a certain sum of money at 21% for 2 years is Rs. 6,961.5. Its simple interest (in Rs.) at the same rate and for the same period is:

A sum of Rs. 8000 becomes Rs. 21520 when invested in a scheme of simple interest. If the annual rate of interest and the number of years for which the sum was invested are the same, then what is the annual rate of interest?

The simple interest on a certain sum of money at rate of interest 8% per annum for 2 years is Rs. 1120. What is the compound interest (compounding annually) on the same sum for the same period and at the same rate of interest?

In 3 years Rs 3000 amounts to Rs 3993 at x% compound interest, compounded annually. The value of x is

The simple interest received on a sum is 4/9 of the sum. The number of years is equal to the annual rate of interest. What is the annual rate of interest?

An amount of Rs. 25,000 in 2 years at compound interest compounded annually, if the interest rate for the successive years is 4% and 5% per annum respectively, is:

The difference between the simple interest and compound interest on a certain sum of money for 2 years at 20% interest per annum is ₹964. What is the sum (in ₹)?

Ramu invested some money at 8% simple interest per annum, and it was grown up to ₹820 in 8 years. If the same sum was invested at 20% simple interest per annum for a period of 10 years, find the amount.

What is the approximate present value (in Rs lakh) of an income of Rs 2.1 lakh to be received after 2 years if the rate of interest is 5%?

A Bluetooth speaker is sold for ₹3,500 cash, or ₹1,000 cash down payment and the balance is in 3 equal annual installments. If the rate of interest is 12.5% per annum and interest is compounding annually, then find the amount of installment. (correct to 2 decimal places)
 

The difference between the interest earned on the same amount invested under compound interest and simple interest at the same rate of interest for 2 years is Rs. 470. If the rate of interest is 10% p.a., then find the amount invested. (In Rs.)

What is the compound interest (compounded half-yearly) on ₹2,800 for \(1{1\over2} \)years at 10% per annum?

Salim borrowed ₹7,200 from the bank for some project at simple interest. After a period of 3 years, the amount will be ₹9,576. What was the rate of interest?

A sum of ₹ 600 was lent to two people, one at the rate of 5% per annum and the other at the rate of 13% per annum. If the simple interest after one year is ₹ 62, find the sum lent at each rate.

In how many years will ₹7,200 amount to ₹8,928 at a simple interest rate of 8% per annum?

A sum of ₹30,000 becomes ₹38,400 after being invested at a simple interest of 8% per annum in how many years?

Rs 250000 is invested at compound interest of 12% p.a. where the interest is compounded annually. However, the investor wants to withdraw the cash in 28 months. What is the sum he will receive after withdrawal?

A sum of money amounts to Rs. 2400 after 3 years and to Rs. 2560 after 6 years on compound interest. Find the sum.

If interest is being compounded half yearly, then what sum will amount to Rs. 51840 in 2 years at the rate of 40 percent per annum on compound interest?

The simple interest on a certain sum at the rate of 5% per annum for 3 years is Rs.1260. Find the compound interest for that sum at the same rate and for the same period.

The difference between the simple interests on ₹1,800 for 3 years at different rates is ₹40. The difference between the rates of interest is:

Find the compound interest (in ₹) on ₹24,000 at 10% per annum for 3 years?

A man invests Rs.44,000 in some shares in the ratio 1 : 4 : 5 which pay dividends of 10%, 15% and 25% on his investment for one year, respectively. His total dividend income is:

What is the amount (in ₹) of debt that will be discharged in 6 equal instalments of ₹800 each, if the debt is due in 6 years at 5% per anmum?

The rate of simple interest for which ₹9,000 will amount to ₹10,200 in 4 years is:

Rs. 6000 is lent at the rate of 20% per annum on compound interest (compounded half yearly). What will be the compound interest of 18 months?

If the difference between the compound interest and the simple interest on a certain sum of money for 2 years at 5% per annum is ₹16.32, find the sum (in ₹).

Vimala took a loan of Rs. 7200 on simple interest for as many years as the rate of interest. If she paid Rs. 5832 as interest at the end of the loan period, then the rate of interest is?

Find the amount received on Rs 18,100 in 2 years at the rate of compound interest of 10% per annum. (in Rs)

If Ramesh borrows a certain amount from Vikram at simple interest at the rate of 7.5% per annum for four years. What is the principal amount if the total interest that Ramesh has to pay is Rs. 18600?

What is the difference between Compound Interest and Simple Interest on Rs.1000 at 10% after 4 years?

The simple interest on a certain sum for 4 years at the rate of 8% per annum is Rs 340 less than the sum. Find the simple interest.

Shiv has two friends Vijay and Raj. He lent Rs. 45000 to Vijay for 3 years and Rs. 15000 to Raj for 5 years on simple interest at the same rate of interest and received Rs. 4200 as interest from both of his friends. Find the rate of interest.

A sum of ₹10,000 was taken from a bank at the rate of 6% per annum to be compounded half yearly. How much has to be returned after one and half years?

Abdul paid ₹5,832 after some years to a bank. He took ₹5,000 loan at the rate of 8% per annum to be compounded annually. Find the time (in years).

Mukesh took some loan from a bank at the rate of 5% per annum compounded annually. If he cleared his loan by paying ₹7,05,600 at the end of 2 years, then what was the amount of loan that he had taken?

A loan of ₹1,50,000 is availed with compound interest rate of 10% per annum for two years compounded annually. It is to be paid in equal yearly instalments, and the instalment is to be paid at the end of each year. The value of the equal yearly instalment is : (Rounded off to two places of decimal)

The simple interest received on a sum is 81/100 of the sum. The number of years is equal to the annual rate of interest. What is the annual rate of interest?

Ayush lent Rs.1450 at 5% per annum for 2 years to Amit and lent the same amount to Ayushi for 10% per annum for 4 years on simple interest. Find the interest earned by Ayush.

What is the compound interest on Rs.10,625 for 2 years at 8% interest per annum, if interest is compounded annually?

Find the simple interest on Rs. 2500 at 12.5% per annum for 5 years.

Find the compound interest when Rs. 8000 is invested for 9 months at 16% per annum, compounded quarterly.

Rs. 75500 is invested in compound interest at the rate of 10% for 2 years. Now the compound interest obtained is invested in simple interest for 3 years at the same rate. Find the simple interest.

If we want ₹8,640 three years from now and the compounded interest rate is 20% p.a how much should we invest today? (assuming interest is compounded yearly)