Foundation Plus
5th November 1990
- 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, 8 are in A only, 9 in B only, 2 in both and 4 in neither. Work out the probability a random one is in A or B.
- 3Box Plots2 marks
A box plot has minimum 2, lower quartile 11, median 16, upper quartile 18 and maximum 22. Work out the interquartile range.
- 4Reverse Percentages3 marks
After a decrease of 10%, a price is £126. Work out the price before the change.
- 5Forming and Solving Equations3 marks
5 consecutive whole numbers add up to 175. 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 November 1990, including the monthly compilation PDF.