Foundation Plus
4th December 1982
- 1Ratio2 marks
Red and blue raffle tickets are in the ratio 7 : 9. There are 63 red raffle tickets. How many raffle tickets are there altogether?
- 2Bearings2 marks
A walker sets off due north-east. Write this direction as a three-figure bearing.
- 3Venn Diagrams3 marks
In a Venn diagram, 15 are in A only, 16 in B only, 11 in both and 10 in neither. Work out the probability a random one is in both.
- 4Box Plots2 marks
A box plot has minimum 14, lower quartile 22, median 26, upper quartile 33 and maximum 41. Work out the interquartile range.
- 5Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.444... as a fraction in its simplest form.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of December 1982, including the monthly compilation PDF.