Daily Practice - Foundation Plus
20th July 1991
- 1Ratio2 marks
Red and blue raffle tickets are in the ratio 2 : 9. There are 20 red raffle tickets. How many raffle tickets are there altogether?
- 2Spheres and Cones3 marks
A sphere has radius 12 cm. Work out its volume, leaving your answer in terms of pi.
- 3Venn Diagrams3 marks
In a Venn diagram, 18 are in A only, 12 in B only, 12 in both and 5 in neither. Work out the probability a random one is in both.
- 4Capture Recapture3 marks
10 beetles are marked and released. Later 12 are caught, of which 4 are marked. Estimate the population.
- 5Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.888... 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 1991, including the monthly compilation PDF.