Higher
5th February 1987
- 1Repeated Percentage Change3 marks
A town's population is 35500 and grows by 4% each year. Work out the population after 4 years, to the nearest whole number.
- 2Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 4. The smaller has an area of 22 cm^2. Work out the area of the larger.
- 3Conditional Probability3 marks
24 students study Spanish and 6 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 20 units wide and contains 60 values. Work out the frequency density.
- 5Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.7575... as a fraction in its simplest form.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of February 1987, including the monthly compilation PDF.