Foundation Plus
4th April 1983
- 1Angles in Polygons2 marks
Work out the size of one exterior angle of a regular octagon.
- 2Venn Diagrams3 marks
In a Venn diagram, 11 are in A only, 12 in B only, 2 in both and 3 in neither. Work out the probability a random one is in A or B.
- 3Box Plots2 marks
A box plot has minimum 7, lower quartile 9, median 11, upper quartile 21 and maximum 30. Work out the interquartile range.
- 4Reverse Percentages3 marks
After an increase of 25%, a price is £500. Work out the price before the change.
- 5Forming and Solving Equations3 marks
4 consecutive whole numbers add up to 126. Work out the smallest of them.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of April 1983, including the monthly compilation PDF.