Foundation Plus
26th July 1952
- 1Ratio2 marks
Red and blue marbles are in the ratio 5 : 8. There are 50 red marbles. How many marbles are there altogether?
- 2Bearings2 marks
A walker sets off due north. Write this direction as a three-figure bearing.
- 3Venn Diagrams3 marks
In a Venn diagram, 7 are in A only, 18 in B only, 5 in both and 6 in neither. Work out the probability a random one is in both.
- 4Box Plots2 marks
A box plot has minimum 7, lower quartile 16, median 26, upper quartile 33 and maximum 38. Work out the interquartile range.
- 5Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.666... 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 July 1952, including the monthly compilation PDF.