List of top Quantitative Aptitude Questions on Compound Interest asked in BHU PET

Find the amount of compound interest on Rs. 20,000 for 3 years compounded annually. The rate of interest for the first year is 5% and the rate of interest for the next two years is 10%:
I invested Rs. 8,000 at simple interest, for 3 years at 8% per annum. How much more would have been my return, if I had invested it, at a compound interest (compounded yearly) at 7\(\frac{1}{2}\)% per annum?
The compound interest on Rs. 25,600 for 2 years at 6.25% per annum is:
Suppose for the principal \( P \), rate \( R% \), and time \( T \), the simple interest is \( S \) and the compound interest is \( C \). Consider the possibilities: