Daily Practice
Foundation Plus
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11th January 1985
- 1Angles in Polygons2 marks
Work out the size of one exterior angle of a regular octagon.
- 2Venn Diagrams3 marks
In a Venn diagram, 7 are in A only, 18 in B only, 5 in both and 12 in neither. Work out the probability a random one is in A or B.
- 3Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 64 values. What cumulative frequency do you read across from to estimate the lower quartile?
- 4Reverse Percentages3 marks
After an increase of 40%, a price is £588. Work out the price before the change.
- 5Solving Quadratics3 marks
Solve x^2 - 81 = 0.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of January 1985, including the monthly compilation PDF.