Foundation Plus
6th February 1988
- 1Ratio2 marks
Red and blue sweets are in the ratio 5 : 8. There are 70 red sweets. How many sweets are there altogether?
- 2Spheres and Cones3 marks
A sphere has radius 18 cm. Work out its volume, leaving your answer in terms of pi.
- 3Venn Diagrams3 marks
In a Venn diagram, 5 are in A only, 16 in B only, 6 in both and 5 in neither. Work out the probability a random one is in both.
- 4Cumulative Frequency2 marks
Four classes in order have frequencies 9, 11, 11, 5. Write down the cumulative frequency at the end of the third class.
- 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 February 1988, including the monthly compilation PDF.