Foundation Plus
17th August 1982
- 1Inequalities on Graphs3 marks
Does the point (-4, -2) satisfy y > x + 7?
- 2Compound Interest and Depreciation3 marks
£2900 is invested at 3% compound interest per year. Work out the value after 4 years, to the nearest penny.
- 3Angles in Parallel Lines2 marks
Two parallel lines are crossed by a straight line. One of a pair of corresponding angles is 100°. Work out the other, and give a reason.
- 4Probability Trees3 marks
A bag holds 3 red and 8 blue counters. One is taken, replaced, then another is taken. Work out the probability both are red.
- 5Averages from Frequency Tables2 marks
Grouped data has five classes of width 5, the first being 20 < x <= 25. The frequencies in order are 7, 11, 21, 16, 3. Write down the modal class.
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