Daily Practice
Foundation Plus
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31st October 1984
- 1Angles in Polygons2 marks
Work out the size of one exterior angle of a regular octagon.
- 2Venn Diagrams3 marks
In a Venn diagram, 13 are in A only, 12 in B only, 7 in both and 3 in neither. Work out the probability a random one is in A or B.
- 3Capture Recapture3 marks
15 voles are marked and released. Later 35 are caught, of which 7 are marked. Estimate the population.
- 4Reverse Percentages3 marks
After an increase of 40%, a price is £560. Work out the price before the change.
- 5Sequences (Nth Term)2 marks
A sequence has nth term 2n - 1. Work out the 12th term.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of October 1984, including the monthly compilation PDF.