Foundation Plus
17th August 1971
- 1Angles in Polygons2 marks
Work out the size of one exterior angle of a regular octagon.
- 2Venn Diagrams3 marks
In a Venn diagram, 19 are in A only, 3 in B only, 7 in both and 7 in neither. Work out the probability a random one is in A or B.
- 3Cumulative Frequency2 marks
Four classes in order have frequencies 9, 8, 12, 10. Write down the cumulative frequency at the end of the third class.
- 4Reverse Percentages3 marks
After an increase of 20%, a price is £576. Work out the price before the change.
- 5Parallel and Perpendicular Lines3 marks
Work out the equation of the line parallel to y = 2x + 6 that passes through (3, 12).
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Any date always gives the same five questions, so a sheet can be set again or shared. All of August 1971, including the monthly compilation PDF.