Foundation Plus
7th October 1969
- 1Writing and Simplifying Ratio2 marks
Write the ratio 6 : 36 in the form 1 : n.
- 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, 18 are in A only, 4 in B only, 5 in both and 5 in neither. Work out the probability a random one is in both.
- 4Averages from Frequency Tables2 marks
Grouped data has five classes of width 5, the first being 20 < x <= 25. The frequencies in order are 3, 11, 7, 21, 16. Write down the modal class.
- 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 October 1969, including the monthly compilation PDF.