Higher
10th January 1967
- 1Enlarging with Negative Scale Factors3 marks
The point (3, -4) is enlarged by scale factor -2 about the centre (-2, 0). Write down the coordinates of the image.
- 2Venn Diagrams3 marks
In a Venn diagram, 17 are in A only, 4 in B only, 4 in both and 8 in neither. Work out the probability a random one is in both.
- 3Capture Recapture3 marks
15 fish are marked and released. Later 60 are caught, of which 5 are marked. Estimate the population.
- 4Reverse Percentages3 marks
A bill is £216 including VAT at 20%. Work out the amount before VAT.
- 5Parallel and Perpendicular Lines3 marks
A line has equation y = 4x + 2. 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 January 1967, including the monthly compilation PDF.