Higher
24th January 1971
- 1Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 9, y = 60. Work out y when x = 12.
- 2Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 4. The smaller has an area of 23 cm^2. Work out the area of the larger.
- 3Conditional Probability3 marks
26 students study Spanish and 11 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 5 and a maximum of 25. Work out the range.
- 5Standard Form3 marks
Work out (30 x 10^8) / (6 x 10^3). Give your answer in standard form.
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