Foundation Plus
14th December 1963
- 1Ratio2 marks
Red and blue marbles are in the ratio 7 : 9. There are 91 red marbles. How many marbles are there altogether?
- 2Spheres and Cones3 marks
A sphere has radius 6 cm. Work out its volume, leaving your answer in terms of pi.
- 3Venn Diagrams3 marks
In a Venn diagram, 16 are in A only, 6 in B only, 4 in both and 1 in neither. Work out the probability a random one is in both.
- 4Box Plots2 marks
A box plot has minimum 2, lower quartile 8, median 17, upper quartile 24 and maximum 26. Work out the interquartile range.
- 5Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.777... 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 1963, including the monthly compilation PDF.