Higher
18th June 1955
- 1Enlarging with Negative Scale Factors3 marks
The point (-4, 6) is enlarged by scale factor -3 about the centre (3, -4). Write down the coordinates of the image.
- 2Venn Diagrams3 marks
In a Venn diagram, 3 are in A only, 17 in B only, 11 in both and 9 in neither. Work out the probability a random one is in both.
- 3Box Plots2 marks
A box plot has minimum 8, lower quartile 10, median 13, upper quartile 15 and maximum 25. Work out the interquartile range.
- 4Reverse Percentages3 marks
A bill is £960 including VAT at 20%. Work out the amount before VAT.
- 5Parallel and Perpendicular Lines3 marks
A line has equation y = 2x + 4. Work out the gradient of any line perpendicular to it.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of June 1955, including the monthly compilation PDF.