Foundation Plus
19th December 1985
- 1Area and Perimeter3 marks
A trapezium has parallel sides of 7 cm and 15 cm, 18 cm apart. Work out its area.
- 2Venn Diagrams3 marks
In a Venn diagram, 7 are in A only, 19 in B only, 10 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 14, lower quartile 19, median 28, upper quartile 32 and maximum 35. Work out the interquartile range.
- 4Reverse Percentages3 marks
After an increase of 10%, a price is £638. Work out the price before the change.
- 5Forming and Solving Equations3 marks
3 consecutive whole numbers add up to 117. 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 1985, including the monthly compilation PDF.