Higher
24th November 1977
- 1Repeated Percentage Change3 marks
A town's population is 35000 and grows by 8% 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 4 cm^2. Work out the area of the larger.
- 3Conditional Probability3 marks
22 students study Spanish and 12 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 40 values. Work out the frequency density.
- 5Reverse Percentages3 marks
A bill is £168 including VAT at 20%. Work out the amount before VAT.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of November 1977, including the monthly compilation PDF.