Foundation Plus
13th July 1983
- 1Inequalities on Graphs3 marks
Does the point (4, -3) satisfy y > -4x + 5?
- 2Percentages2 marks
Ade scored 8 out of 40 in a test. What percentage is this?
- 3Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 4. The smaller has an area of 17 cm^2. Work out the area of the larger.
- 4Probability (Higher)3 marks
A biased coin lands on heads with probability 0.15. It is thrown 250 times. How many heads would you expect?
- 5Averages from Frequency Tables2 marks
Grouped data has five classes of width 10, the first being 40 < x <= 50. The frequencies in order are 7, 3, 21, 11, 16. 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 July 1983, including the monthly compilation PDF.