Higher
24th June 1964
- 1Spheres and Cones3 marks
A cone has base radius 10 cm and vertical height 24 cm. Work out its volume, leaving your answer in terms of pi.
- 2Probability Trees3 marks
A bag holds 3 red and 7 blue counters. Two are taken without replacement. Work out the probability both are red.
- 3Cumulative Frequency2 marks
Four classes in order have frequencies 11, 10, 9, 4. Write down the cumulative frequency at the end of the third class.
- 4Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.4444... as a fraction in its simplest form.
- 5Inequalities on Graphs2 marks
A region is defined by y <= 3x - 4. Should the boundary line be solid or dashed, and why?
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