4MA1/2HR Jun 2018, Question 6: Compound Interest
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 2HR (Higher) · Calculator · 3 marks
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The question, in short
Calculate the final account balance after investing 20000 rupees for 3 years at 1.5% annual compound interest, rounded to the nearest rupee.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Solution · 3 marks
- 120000 × 1.015 = 20300
- 220300 × 1.015 = 20604.5
- 320604.5 × 1.015 = 20913.5675
- 420913.5675 ≈ 20914
Answer20 914
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