Foundation Plus
16th September 1972
- 1Angles in Polygons2 marks
Work out the size of one exterior angle of a regular decagon.
- 2Venn Diagrams3 marks
In a Venn diagram, 16 are in A only, 7 in B only, 5 in both and 4 in neither. Work out the probability a random one is in A or B.
- 3Cumulative Frequency2 marks
Four classes in order have frequencies 6, 5, 4, 5. Write down the cumulative frequency at the end of the third class.
- 4Reverse Percentages3 marks
After an increase of 10%, a price is £220. Work out the price before the change.
- 5Parallel and Perpendicular Lines3 marks
Work out the equation of the line parallel to y = -2x - 3 that passes through (5, -18).
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Any date always gives the same five questions, so a sheet can be set again or shared. All of September 1972, including the monthly compilation PDF.