Higher
18th January 1979
- 1Repeated Percentage Change3 marks
A town's population is 11500 and grows by 5% each year. Work out the population after 4 years, to the nearest whole number.
- 2Congruent Triangles2 marks
Two triangles are known to be congruent because all three pairs of sides are equal. Which congruence condition is this?
- 3Conditional Probability3 marks
18 students study Spanish and 10 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 5 units wide and contains 12.5 values. Work out the frequency density.
- 5Fractional and Negative Indices3 marks
Work out 216^(2/3).
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Any date always gives the same five questions, so a sheet can be set again or shared. All of January 1979, including the monthly compilation PDF.