Foundation Plus
25th June 1991
- 1Inequalities on Graphs3 marks
Does the point (1, 7) satisfy y > 3x + 6?
- 2Compound Interest and Depreciation3 marks
£4900 is invested at 2.5% compound interest per year. Work out the value after 3 years, to the nearest penny.
- 3SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 20 cm and an angle of 24°. Work out the side opposite that angle, to 1 decimal place.
- 4Probability Trees3 marks
A bag holds 4 red and 6 blue counters. Two are taken without replacement. Work out the probability both are red.
- 5Averages from Frequency Tables2 marks
Grouped data has five classes of width 5, the first being 10 < x <= 15. The frequencies in order are 3, 16, 11, 21, 7. Write down the modal class.
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