Foundation Plus
28th December 1974
- 1Ratio2 marks
Red and blue raffle tickets are in the ratio 2 : 9. There are 14 red raffle tickets. How many raffle tickets are there altogether?
- 2Spheres and Cones3 marks
A sphere has radius 3 cm. Work out its volume, leaving your answer in terms of pi.
- 3Venn Diagrams3 marks
In a Venn diagram, 9 are in A only, 3 in B only, 10 in both and 2 in neither. Work out the probability a random one is in both.
- 4Scatter Graphs2 marks
A scatter graph plots the height of a tree and its age. What type of correlation would you expect?
- 5Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.111... 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 1974, including the monthly compilation PDF.