Higher
1st March 1980
- 1Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 5, y = 75. Work out y when x = 9.
- 2Sector Areas and Arc Lengths3 marks
A sector of a circle has radius 11 cm and angle 240°. Work out its area, to 1 decimal place.
- 3Conditional Probability3 marks
18 students study Spanish and 11 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 5, lower quartile 10, median 16, upper quartile 26 and maximum 35. Work out the interquartile range.
- 5The Product Rule for Counting2 marks
A meal deal has 9 mains, 5 sides and 3 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 1980, including the monthly compilation PDF.