Foundation Plus
26th March 1974
- 1Solving Equations3 marks
Solve 6(x + 8) = 90.
- 2Compound Interest and Depreciation3 marks
£2500 is invested at 2.5% compound interest per year. Work out the value after 5 years, to the nearest penny.
- 3SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 21 cm and an angle of 25°. Work out the side adjacent to that angle, to 1 decimal place.
- 4Probability Trees3 marks
A bag holds 8 red and 4 blue counters. Two are taken without replacement. Work out the probability both are red.
- 5Capture Recapture3 marks
35 beetles are marked and released. Later 20 are caught, of which 5 are marked. Estimate the population.
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