Higher
12th July 1973
- 1Repeated Percentage Change3 marks
A town's population is 13000 and grows by 8% each year. Work out the population after 5 years, to the nearest whole number.
- 2Congruent Triangles2 marks
Two triangles are known to be congruent because both are right-angled with equal hypotenuses and one other equal side. Which congruence condition is this?
- 3Conditional Probability3 marks
18 students study Spanish and 7 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 4 units wide and contains 12 values. Work out the frequency density.
- 5Standard Form2 marks
Work out (8 x 10^4) x (9 x 10^3). 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 July 1973, including the monthly compilation PDF.