Mastering Percentages: Compound Interest

Mathematics
Grade 8
12 questions
~24 mins
0 views0 downloads

About This Worksheet

A worksheet covering Percentages: Compound Interest for Grade 8 students, focusing on ratio, proportion, and rates of change.

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Mastering Percentages: Compound Interest

Subject: MathematicsGrade: Grade 8
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Untitled Worksheet

Grade Grade 8
A

Practice Questions

Answer all questions. Show your working in the grid spaces provided.
1.
Calculate the amount after 3 years if ₹10,000 is invested at an annual compound interest rate of 5%.
[3 marks]
2.
What is the compound interest earned on ₹5000 at 4% per annum after 2 years?
[2 marks]
3.
If ₹2000 grows to ₹2420 in 2 years with compound interest, what is the annual interest rate?
[3 marks]
4.
A sum of ₹15,000 is invested at 6% interest compounded annually. How much will it amount to after 4 years?
[3 marks]
5.
Express the compound interest formula used in these calculations.
[2 marks]
6.
A loan of ₹20,000 is taken at 8% annual compound interest. How much will be owed after 5 years?
[3 marks]
7.
If the compound interest on ₹8000 at 3% per annum for 3 years is ₹738, what is the actual rate of interest?
[3 marks]
8.
A person invests ₹12,000 at a certain rate of interest compounded annually. After 5 years, the amount becomes ₹15,732. What is the rate of interest?
[3 marks]
9.
A machine increases its value by 12% each year due to depreciation. If its current value is ₹50,000, what was its value 3 years ago?
[3 marks]
10.
A real estate property appreciated from ₹2,00,000 to ₹2,40,000 over 2 years. Find the annual rate of appreciation.
[3 marks]
11.
Challenge: A bank offers two different compound interest schemes: Scheme A offers 5% annually, Scheme B offers 4.9% annually. Which scheme yields more for ₹50,000 after 10 years? Show your calculations.
[4 marks]
12.
Real-world Application: A company’s investment of ₹1,00,000 grows to ₹1,61,051 in 8 years with compound interest. What is the annual interest rate?
[4 marks]

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Details

Created
12/30/2025
Updated
12/30/2025
Type
worksheet