Higher
7th February 1982
- 1Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 9, y = 6. Work out y when x = 6.
- 2Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 4. The smaller has an area of 3 cm^2. Work out the area of the larger.
- 3Conditional Probability3 marks
16 students study Spanish and 12 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 4Box Plots2 marks
A box plot has a minimum of 18 and a maximum of 71. Work out the range.
- 5Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.888... 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 1982, including the monthly compilation PDF.