Higher
13th November 1986
- 1Repeated Percentage Change3 marks
A town's population is 23000 and grows by 3% each year. Work out the population after 4 years, to the nearest whole number.
- 2Sector Areas and Arc Lengths3 marks
A sector of a circle has radius 15 cm and angle 30°. Work out its area, to 1 decimal place.
- 3Conditional Probability3 marks
9 students study Spanish and 3 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 4Histograms2 marks
A histogram class is 10 units wide and contains 30 values. Work out the frequency density.
- 5Bounds2 marks
A mass is 620 kg, correct to the nearest 10. Write down the lower bound.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of November 1986, including the monthly compilation PDF.