Daily Practice - Higher
17th August 1995
- 1Spheres and Cones3 marks
A cone has base radius 3 cm and vertical height 12 cm. Work out its volume, leaving your answer in terms of pi.
- 2Probability Trees3 marks
A bag holds 5 red and 6 blue counters. Two are taken without replacement. Work out the probability both are red.
- 3Histograms2 marks
A histogram class is 5 units wide and contains 15 values. Work out the frequency density.
- 4Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.777... as a fraction in its simplest form.
- 5Inequalities on Graphs2 marks
A region is defined by y < -x - 5. Should the boundary line be solid or dashed, and why?
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