GCSE Maths | Compound Interest

This page contains practice questions on a key topic for GCSE Maths: compound interest and depreciation. Use these examples to test your understanding and prepare for your exams.

Compound Interest

1. £500 is invested at 5% compound interest per year for 3 years.
2. £1200 is invested at 3% per year for 4 years.
3. £800 grows at 4.5% per year for 5 years.
4. £1000 is invested at 2.5% per year for 2 years.
5. £2000 increases by 6% each year for 3 years.
6. £1500 is invested at 1.2% per year for 6 years.
7. £600 grows at 7% compound interest for 4 years.
8. £1800 increases by 2% a year for 10 years.
9. £100 grows at 10% interest per year for 3 years.
10. £2500 is invested at 3.5% per year for 8 years.

Depreciation

1. A car worth £12,000 depreciates at 10% per year for 3 years.
2. A laptop worth £800 loses 15% of its value each year for 2 years.
3. A phone bought for £1000 depreciates 20% annually for 4 years.
4. A machine costing £6000 depreciates at 5% per year for 5 years.
5. A sofa worth £1500 loses 12% of its value per year for 3 years.
6. A TV valued at £400 depreciates 25% a year for 2 years.
7. A bike costing £700 depreciates at 7% for 6 years.
8. A fridge bought for £300 depreciates 10% per year for 5 years.
9. A printer costing £500 loses 18% value annually for 3 years.
10. A used van worth £9000 depreciates by 8% a year for 4 years.

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