Higher
7th April 1988
- 1Spheres and Cones3 marks
A cone has base radius 7 cm and vertical height 18 cm. Work out its volume, leaving your answer in terms of pi.
- 2Probability Trees3 marks
A bag holds 5 red and 4 blue counters. Two are taken without replacement. Work out the probability both are red.
- 3Histograms2 marks
A histogram class is 2 units wide and contains 6 values. Work out the frequency density.
- 4The Product Rule for Counting2 marks
A meal deal has 5 mains, 7 sides and 5 drinks. How many different meals are possible?
- 5Inequalities on Graphs2 marks
A region is defined by y < -2x - 2. Should the boundary line be solid or dashed, and why?
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Any date always gives the same five questions, so a sheet can be set again or shared. All of April 1988, including the monthly compilation PDF.