Foundation Plus
13th February 1991
- 1Inequalities on Graphs3 marks
Does the point (4, 15) satisfy y > 2x + 6?
- 2Percentages2 marks
Aisha scored 21 out of 25 in a test. What percentage is this?
- 3Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 5. The smaller has an area of 21 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 100 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 21, 3, 11, 16, 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 February 1991, including the monthly compilation PDF.