Higher
28th January 1961
- 1Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 8. Work out y when x = 9.
- 2Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 5. The smaller has an area of 10 cm^2. Work out the area of the larger.
- 3Conditional Probability3 marks
24 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 minimum 3, lower quartile 7, median 10, upper quartile 20 and maximum 25. Work out the interquartile range.
- 5Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.4747... 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 January 1961, including the monthly compilation PDF.