4024/21 Oct/Nov 2025, Question 8: Simple interest
Cambridge O Level Mathematics 4024 · Paper 21 (Calculator) · Calculator · 2 marks
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The question, in short
$240 is invested at 2.35% simple interest per year. Find the total interest earned after 5 years.
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Solution · 2 marks
- 1Interest per year = 240 × 2.35/100 = $5.64
- 2Interest for 5 years = 5.64 × 5 = $28.20
Answer28.20
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