Higher
31st August 1975
- 1Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 8, y = 3. Work out y when x = 3.
- 2Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 4. The smaller has an area of 16 cm^2. Work out the area of the larger.
- 3Conditional Probability3 marks
12 students study Spanish and 8 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 11 and a maximum of 57. Work out the range.
- 5Bounds2 marks
A mass is 16.6 kg, correct to 1 decimal place. Write down the lower bound.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of August 1975, including the monthly compilation PDF.