Foundation Plus
21st March 1975
- 1Inequalities on Graphs3 marks
Does the point (-3, -3) satisfy y > x - 7?
- 2Proportion2 marks
4 identical batteries cost £8.20. Work out the cost of 6 of the same batteries.
- 3SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 15 cm and an angle of 24°. Work out the side adjacent to that angle, to 1 decimal place.
- 4Probability Trees3 marks
A bag holds 7 red and 2 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 0 < x <= 5. The frequencies in order are 11, 7, 16, 3, 21. Write down the modal class.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of March 1975, including the monthly compilation PDF.