Higher
23rd March 1985
- 1Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 12. Work out y when x = 4.
- 2Congruent Triangles2 marks
Two triangles are known to be congruent because two pairs of sides and the angle between them are equal. Which congruence condition is this?
- 3Conditional Probability3 marks
13 students study Spanish and 7 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 4Box Plots2 marks
A box plot has minimum 1, lower quartile 8, median 18, upper quartile 24 and maximum 26. Work out the interquartile range.
- 5The Product Rule for Counting2 marks
A meal deal has 9 mains, 4 sides and 2 drinks. How many different meals are possible?
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Any date always gives the same five questions, so a sheet can be set again or shared. All of March 1985, including the monthly compilation PDF.