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

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.

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

The population of Hyderabad was 68,09,000 in the year 2011. If it increases at the rate of 4.7% per annum. What will be the population at the end of the year 2015?

In a laboratory the count of bacteria in a certain, experiment was increasing at the rate of 2.5% per hour. Find the bacteria at the end of 2 hours if the count was initially 5,06,000.

At what rate per annum will the principle triples in 16 years?

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

At what rate percentage per annum simple Interest will a sum triple itself in 16 years?

₹3000 is lent out at 9% rate of interest.Find the interest which will be received.

Arif took a loan of ₹ 80,000 from a bank. If the rate of Interest is 10% per annum, find the difference in amounts he would be paying after 1"" 1/2 years. If the interest is compounded annually.