Higher
- 1Spheres and Cones3 marks
A cone has base radius 8 cm and vertical height 9 cm. Work out its volume, leaving your answer in terms of pi.
- 2Probability Trees3 marks
A bag holds 7 red and 2 blue counters. Two are taken without replacement. Work out the probability both are red.
- 3Capture Recapture3 marks
50 newts are marked and released. Later 20 are caught, of which 5 are marked. Estimate the population.
- 4Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.2121... as a fraction in its simplest form.
- 5Inequalities on Graphs2 marks
A region is defined by y < -5x - 7. 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 May 1967, including the monthly compilation PDF.