A sum of Rs. 1000 is invested at 8% simple interest per year. Calculate the interest at the end of each year. Do these interests form a AP? If so, find the interest at the end of 30 years.

A sum of Rs. 1000 is invested at 8% simple interest per year. Calculate the interest at the end of each year. Do these interests 1^(st), 2^(nd) and 3^(rd) years form a AP? If so, find the total interest to be paid for 30 years making the use of this fact.

₹10,000 is invested at 5% interest rate per annum. Find the interest at the end of one year.

Find the interest on a sum of ₹8250 for 3 years at the rate of 8% per annum.

Find the Interest on a sum of ₹8250 for 3 years at the rate of 8% per annum.

Sunita takes a loan of ₹5000 at 12% rate of interest. Find the interest she has to pay at the end of one year.

A sum of ₹2500 is borrowed at a rate of 12% per annum for 3 years. Find the simple interest on this sum and also the amount to be paid at the end of 3 years.

₹3000 is lent out at 9% rate of interest. Find the interest which will be recieved at the end 2"" 1/2 years.

A sum of money invested at 8% per annum for simple interest amounts to ₹12122 in 2 years. What will it amounts to in 2 years 8 months at 9% rate of interest?

A machine costs Rs. 5,00,000. if the value depreciates 15% in the first year, 13 1/2% in the second year, 12% in the third year and so on. What will be its value at the end of 10 years, when all the percentages will be applied to the original cost?

A owner increases the rent of his house by 5% at the end of each year. If currently its rent is ₹2500 per month, how much will be the rent after 2 years?