Higher
4th March 1958
- 1Spheres and Cones3 marks
A cone has base radius 7 cm and vertical height 6 cm. Work out its volume, leaving your answer in terms of pi.
- 2Probability Trees3 marks
A bag holds 6 red and 2 blue counters. Two are taken without replacement. Work out the probability both are red.
- 3Capture Recapture3 marks
25 newts are marked and released. Later 40 are caught, of which 8 are marked. Estimate the population.
- 4Reverse Percentages3 marks
A bill is £648 including VAT at 20%. Work out the amount before VAT.
- 5Inequalities on Graphs2 marks
A region is defined by y < -5x - 8. 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 March 1958, including the monthly compilation PDF.