Foundation Plus
27th February 1960
- 1Ratio2 marks
Red and blue marbles are in the ratio 4 : 9. There are 36 red marbles. How many marbles are there altogether?
- 2Bearings2 marks
A walker sets off due north-west. Write this direction as a three-figure bearing.
- 3Venn Diagrams3 marks
In a Venn diagram, 11 are in A only, 12 in B only, 2 in both and 8 in neither. Work out the probability a random one is in both.
- 4Box Plots2 marks
A box plot has minimum 3, lower quartile 12, median 17, upper quartile 24 and maximum 31. Work out the interquartile range.
- 5Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.333... 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 February 1960, including the monthly compilation PDF.