Foundation Plus
8th September 1972
- 1Inequalities on Graphs3 marks
Does the point (0, 9) satisfy y > 2x + 1?
- 2Proportion2 marks
8 identical pens cost £4.40. Work out the cost of 12 of the same pens.
- 3Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 3. The smaller has an area of 13 cm^2. Work out the area of the larger.
- 4Probability (Higher)3 marks
A biased coin lands on heads with probability 0.2. It is thrown 200 times. How many heads would you expect?
- 5Averages from Frequency Tables2 marks
Grouped data has five classes of width 10, the first being 0 < x <= 10. The frequencies in order are 11, 16, 21, 3, 7. 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 September 1972, including the monthly compilation PDF.