Daily Practice - Higher
29th January 1992
- 1Spheres and Cones3 marks
A cone has base radius 7 cm and vertical height 24 cm. Work out its volume, leaving your answer in terms of pi.
- 2Probability Trees3 marks
A bag holds 4 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 10, 11, 8, 8. Write down the cumulative frequency at the end of the third class.
- 4Bounds2 marks
A mass is 28.7 kg, correct to 1 decimal place. Write down the lower bound.
- 5Inequalities on Graphs2 marks
A region is defined by y < -4x + 5. Should the boundary line be solid or dashed, and why?
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