Daily Practice
Foundation Plus
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12th October 1973
- 1Probability Trees3 marks
A bag holds 3 red and 5 blue counters. One is taken, replaced, then another is taken. Work out the probability both are red.
- 2Capture Recapture3 marks
25 fish are marked and released. Later 84 are caught, of which 7 are marked. Estimate the population.
- 3Prime Factors, HCF and LCM3 marks
Write 48 as a product of its prime factors, using index form.
- 4Solving Equations3 marks
Solve 2(x + 7) = 20.
- 5Proportion2 marks
5 identical notebooks cost £3.25. Work out the cost of 3 of the same notebooks.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of October 1973, including the monthly compilation PDF.