What is the interest on Rs. 100 at 9 % of one year

A sum of Rs. 10,000 is deposited for 1 year at the rate of interest 10% compounded half yearly. What will be the interest at the end of one year ?

At what rate of simple interest per annum, does the interest on Rs. 1200 in 2 years equals the interest on Rs. 600 at 4 years at (7)/(2)% per annum ?

What is the Compound Interest on Rs. 20,000 at 12% interest for 1 year, compounded half - yearly ?

In what time will the simple interest on Rs 900 at 6 % be equal to the interest on Rs 540 for 8 years at 5 % ?

Find the compound interest on Rs 160000 for one year at the rate of 20% per annum, if the interest is compound quarterly.

A principal gets increased by 21% in 2 years at compound interest. What will be the simple interest on Rs. 1000 for 4 years at the same rate of interest ?

Anita takes a loan of Rs 5,000 at 15% per year as rate of interest.Find the interest she has to pay at end of one year.