TNPSC Group I · Aptitude and Mental Ability
SI, CI and applied interest calculations.
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Q1 · Simple and Compound Interest · MEDIUM
A sum of ₹8000 is invested at 10% per annum compound interest for 2 years. What is the compound interest earned?
Q2 · Simple and Compound Interest · EASY
What is the simple interest on ₹5000 at 8% per annum for 3 years?
Q3 · Simple and Compound Interest · MEDIUM
A sum of ₹8,000 is invested at 10% per annum compound interest. What will be the amount after 2 years?
Q4 · Simple and Compound Interest · HARD
The difference between compound interest and simple interest on a certain sum at 5% per annum for 2 years is ₹15. What is the principal?
Q5 · Simple and Compound Interest · HARD
A sum of money amounts to ₹13,824 in 2 years and ₹20,736 in 3 years at compound interest compounded annually. What is the rate of interest per annum?