Foundation Plus
3rd September 1955
- 1Ratio2 marks
Red and blue raffle tickets are in the ratio 3 : 8. There are 36 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, 12 are in A only, 11 in B only, 11 in both and 9 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 10 < x <= 15. The frequencies in order are 21, 7, 16, 3, 11. Write down the modal 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 September 1955, including the monthly compilation PDF.