Foundation Plus
2nd December 1978
- 1Angles in Polygons2 marks
Work out the size of one exterior angle of a regular pentagon.
- 2Venn Diagrams3 marks
In a Venn diagram, 8 are in A only, 14 in B only, 8 in both and 1 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 12, median 15, upper quartile 17 and maximum 20. 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
3 consecutive whole numbers add up to 72. 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 December 1978, including the monthly compilation PDF.