Higher
31st December 1970
- 1Repeated Percentage Change3 marks
A town's population is 19000 and grows by 4% each year. Work out the population after 6 years, to the nearest whole number.
- 2Perpendicular Lines and the equation of a tangent2 marks
A line has gradient 3. Work out the gradient of a line perpendicular to it.
- 3Conditional Probability3 marks
13 students study Spanish and 5 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 15 values. Work out the frequency density.
- 5Standard Form2 marks
Work out (9 x 10^3) x (5 x 10^6). Give your answer in standard form.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of December 1970, including the monthly compilation PDF.