Foundation Plus
31st July 1982
- 1Ratio2 marks
Red and blue sweets are in the ratio 5 : 9. There are 60 red sweets. How many sweets are there altogether?
- 2Spheres and Cones3 marks
A sphere has radius 9 cm. Work out its volume, leaving your answer in terms of pi.
- 3Venn Diagrams3 marks
In a Venn diagram, 11 are in A only, 18 in B only, 9 in both and 5 in neither. Work out the probability a random one is in both.
- 4Scatter Graphs2 marks
A scatter graph plots a phone's age and its resale value. What type of correlation would you expect?
- 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 July 1982, including the monthly compilation PDF.