Foundation Plus
28th February 1969
- 1Angles in Polygons2 marks
Work out the size of one exterior angle of a regular pentagon.
- 2Venn Diagrams3 marks
In a Venn diagram, 16 are in A only, 7 in B only, 3 in both and 8 in neither. Work out the probability a random one is in A or B.
- 3Box Plots2 marks
A box plot has minimum 4, lower quartile 10, median 14, upper quartile 22 and maximum 24. Work out the interquartile range.
- 4Reverse Percentages3 marks
After a decrease of 25%, a price is £105. Work out the price before the change.
- 5Forming and Solving Equations3 marks
4 consecutive whole numbers add up to 26. 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 February 1969, including the monthly compilation PDF.