Foundation Plus
14th January 1975
- 1Inequalities on Graphs3 marks
Does the point (-4, 23) satisfy y > -4x + 5?
- 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.
- 3Angles in Parallel Lines2 marks
Two parallel lines are crossed by a straight line. One of a pair of alternate angles is 71°. Work out the other, and give a reason.
- 4Probability Trees3 marks
A bag holds 2 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 10, the first being 0 < x <= 10. The frequencies in order are 16, 21, 7, 11, 3. Write down the modal class.
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