Aman invested money at a certain rate of simple interest for a period of four years. Had he invested the same sum for a period of six years the total interest earned by him would have been fifty percent more than the earlier interest amount. What was the rate of interest per cent per annum?

A sum fetched a total simple interest of Rs. 5260 at the rate of 6 % p.a. in 4 years. What is the sum?

The rate of interest in a scheme, working on the principle of compound interest, increases by 1% per annum every year. For first year, the rate of interest is 14% per annum. A sum of Rs. 10,00,000 is invested in this scheme for 3 years. Find the amount of interest that will be generated in total.

Varun lends some money to Rakesh and Suresh at the same rate of interest. Rakesh pays the money back in 2 years whereas Suresh pays it in 3 years. Rakesh pays Rs 800 and Suresh pays 20% more than Rakesh as interest. If Suresh paid along with Rakesh, Varun would have faced a loss of \(18\frac{2}{{11}}{\rm{\% }}\). How much money is lent to Suresh?

Rs. 11,000 is borrowed at compounded at the rate of 24% per annum. What will be the approximate amount to be paid after 1 year? It is given that interest is compound quarterly.

The population of Rajasthan was 1120581 on 1 January 2001 and the growth rate of population was 10% in the last year and 5% in the years prior to it, the only exception being 1999 when because of a huge exodus there was a decline of 20% in population. What was the population on January 1, 1996?

In what time will the interest on Rs. 700 amount to Rs. 98 at 7% per annum simple interest?

At the beginning of year 2015, Jerry invested Rs. 24000 in simple interest at 7% per annum. A year later, at the beginning of 2016, he invested Rs. 21000 in simple interest at 10% per annum. What will be the total amount he would have at the beginning of year 2020?

A sum of money doubles itself at compound interest in 15 yrs. In how many yrs it will become eight times?

What will be the simple interest earned on an amount of Rs. 4,800 at 8.5 p.c.p.a., at the end of 2 years 3 months?

Madhur took a loan of Rs. 20000 at 5% SI for 2 years and invested it at 4% CI for the same period. What is the gain/loss?

The difference between CI and SI for 3 years is 992.If rate of interest is 10%.Find the Principal.

Farida invests an amount of Rs. 4,800 for 3 years at the rate of 8 p.c.p.a. What approximate amount of compound interest will she obtain at the end of 3 years?

Mr. Duggal invested Rs. 20000 with rate of interest @ 20% per annum. The interest was compounded half – yearly for the first 1 yr and in the next year it was compounded yearly. What will be the total interest earned at the end of 2 yr?

The compound interest accrued on an amount of Rs. 22,000 at the end of two years is Rs. 5,596.8. What would be the simple interest accrued on the same amount at the same rate in the same period?

The price of a T.V set worth Rs. 20,000 is to paid in 20 installments of Rs. 1000 each. If the rate of interest be 6% per annum, and the first installment be paid at the time of purchase, then the value of the last installment covering the interest as well will be:

On investing Rs. 20000 in simple interest for two years, the interest earned is Rs. 190 more than the interest earned when Rs. 13000 is invested in simple interest for three years, at the same rate. Find the rate of interest (in % per annum).

Shrivastava invests Rs. 800 for 2 years at the certain rate of simple interest. After 2 years his invested sum becomes Rs. 1,008. Find out the rate of interest per annum?

The simple interest on a sum of money is 4/9th the principal, and the number of years is equal to the rate of interest per annum. Find the rate of interest per annum.

Mr. Phanse invests an amount of Rs. 25, 200 at the rate of 4 p.c.p.a. for 6 years to obtain a simple interest. Later he invests the principal amount as well as the amount obtained as simple interest for another 4 years at the same rate of interest. What amount of simple interest will he obtain at the end of the last 4 years?

The difference between CI and SI for a period of 3 years is ₹ 279 at an interest rate of 10% p.a. What will be difference between CI and SI for 2 years when CI is calculated half yearly and SI is calculated yearly.

Ramlal takes a loan of Rs. 10500 at 10% p.a. compounded annually which is to be repaid in to two equal annual installments as one at the end of one year and the other at the end of the second year. The value of each installment is:

A sum of money is borrowed and paid back in two annual instalments of Rs. 1323 allowing 5% compound interest. The sum borrowed was:

A sum of money is invested in compound interest at 15% per annum for three years. If the investment mode was simple interest instead, what should have been the rate of interest to earn the same amount of interest in three years?

The difference between simple interest and true discount on a certain sum of money for \(5\frac{1}{2}\) years at 8% per annum is Rs. 99. The sum is:

Rajesh borrows some amount from Suresh at an interest of 10% per annum. Next year, in order to pay the interest, he borrows money from Ganesh at an interest of 20% per annum. Next year, in order to pay the interest for both the debts, he borrows money from Dinesh at an interest of 25% per annum. If he has to pay an interest of Rs 2250 for all the three debts together, what is the total money that Rajesh has as debt (in Rupees)?

A scheme works on simple interest for first two years and on compound interest for next two years. After completion of first two years, interest generated is withdrawn. If the rate of interest is 18% per annum and amount invested is Rs. 9500, find the amount of interest that will be generated in four years.

How much will a sum of Rs. 6,300 amount to in a span of 2 years, at 5 p.c.p.a. rate of compound interest (Rounded off to the nearest integer)?

What is the difference between the compound interests on Rs.5000 for 1.5 years at 4% per annum compounded yearly and half-yearly?

An amount of money when invested in compound interest for 2 years at 15% per annum rate of interest gives an interest of Rs. 6450. After two years, the interest generated is withdrawn and remaining money is invested for one more year at the same rate in compound interest. At the end of 3 years, how much money would be there in total?