Higher
2nd December 1967
- 1Box Plots2 marks
A box plot has minimum 14, lower quartile 20, median 29, upper quartile 36 and maximum 45. Work out the interquartile range.
- 2Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.777... as a fraction in its simplest form.
- 3Drawing Other Graphs: Cubic/Reciprocal2 marks
For the curve y = -25/x, work out y when x = 5, and write down the equation of its vertical asymptote.
- 4Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 6, y = 144. Work out y when x = 5.
- 5Similar Shapes (Area and Volume)3 marks
Two similar solids have lengths in the ratio 1 : 4. The larger has a volume of 2560 cm^3. Work out the volume of the smaller.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of December 1967, including the monthly compilation PDF.