1.An amount of Rs.4800 is invested with compound interest applied for three consecutive years. The interest rates are 10% for the first year, 20% for the second year, and 25% for the third year. What is the total interest earned after three years?
2.The compound interest accrued on a principal during the second and third years amounts to Rs.1200 and Rs.1440 respectively. What is the annual rate of interest?
3.Jameel invested Rs. 17,400 for a period of two years. If the compound interest earned at the end of this period is Rs. 1,783.50, what is the annual compound interest rate?
4.Calculate the compound interest earned on Rs.14,800 at an annual interest rate of 13.5% after two years. (Round your answer to the nearest whole number)
5.Sunil earned Rs.2828.80 as compound interest on a certain principal over two years at an annual interest rate of 8%. What is the total amount he received after two years, including the principal and interest?
6.If Kiran invests Rs. 8000 at an annual compound interest rate of 10% for 2 years, with interest compounded once per year, what will be the total amount he receives?
7.Calculate the total amount after 2 years on a principal of Rs. 5000, given the interest rate is 4% for the first year and 5% for the second year.
8.A city's population grows at an annual rate of 4%, with an extra 1% yearly increase due to incoming job seekers. What is the total percentage growth in the population after 2 years?
9.A principal amount grows to Rs. 1344 in two years under simple interest. What is the compound interest on the same principal, at the same interest rate, over the same duration?
10.A lender provides a loan of Rs. 2000 for a period of six months at an annual interest rate of 20%. If the interest is compounded quarterly, what will be the total amount payable at the end of the term?
11.What is the additional amount earned on Rs. 20,000 after two years when invested at 20% per annum compound interest compounded semi-annually compared to the same interest rate compounded annually?
12.A village's population grew by 10% during the first year and then declined by 10% in the following year. If the population after the second year is 7,920, what was the initial population at the start?
13.Sehar lent Shazia Rs.1250 for 2 years at an annual compound interest rate of 4%. What would be the loss to Sehar if the interest was calculated using simple interest instead for the same period and rate?
14.Rajan took a loan of Rs.4000 at an annual compound interest rate of 5%. After 2 years, he paid back Rs.2210. He settled the remaining amount along with interest after another 2 years. What is the total interest he paid over the entire period?
15.An amount increases annually by one-eighth of its current value. If the present amount is Rs. 64,000, what will be its value after two years?
16.What will be the total amount on a principal of Rs.8000 after 9 months at an annual interest rate of 20%, compounded quarterly?
17.If a principal amount is invested at compound interest, and it grows to Rs. 8820 in 2 years and Rs. 9261 in 3 years, what was the original principal?
18.If the difference between the compound interest compounded yearly and the simple interest for 2 years at an annual rate of 20% is Rs.144, what is the principal amount?
19.Calculate the principal amount if the difference between the compound interest and simple interest on it for 2 years at an annual rate of 10% is Rs. 15.
20.A principal amount is invested at a compound interest rate of 20% for 2 years. If the interest is compounded semi-annually instead of annually, the total interest earned increases by Rs. 482. What is the original principal?