List of top Quantitative Aptitude Questions on Compound Interest asked in NCHMCT JEE

A certain sum on compound interest becomes ₹19573 at 15% per annum in 2 years. Find the compound interest on the same sum at 10% per annum in 2 years.
₹ 10000 is invested for \( 1\frac{1}{2} \) years at 10% p.a. What is the difference between the compound interest when the sum is compounded half yearly and when it is compounded annually?