Foundation Plus
21st February 1991
- 1Angles in Polygons2 marks
Work out the size of one exterior angle of a regular 12-sided polygon.
- 2Venn Diagrams3 marks
In a Venn diagram, 10 are in A only, 15 in B only, 5 in both and 9 in neither. Work out the probability a random one is in A or B.
- 3Cumulative Frequency2 marks
Four classes in order have frequencies 7, 5, 11, 4. Write down the cumulative frequency at the end of the third class.
- 4Reverse Percentages3 marks
After a decrease of 20%, a price is £32. Work out the price before the change.
- 5Parallel and Perpendicular Lines3 marks
Work out the equation of the line parallel to y = 2x + 9 that passes through (6, 22).
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Any date always gives the same five questions, so a sheet can be set again or shared. All of February 1991, including the monthly compilation PDF.