Daily Practice
Foundation Plus
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29th August 1978
- 1Probability Trees3 marks
A bag holds 5 red and 6 blue counters. One is taken, replaced, then another is taken. Work out the probability both are red.
- 2Capture Recapture3 marks
45 voles are marked and released. Later 56 are caught, of which 8 are marked. Estimate the population.
- 3Prime Factors, HCF and LCM3 marks
Write 54 as a product of its prime factors, using index form.
- 4Solving Equations3 marks
Solve 5(x + 4) = 70.
- 5Compound Interest and Depreciation3 marks
£3800 is invested at 4% compound interest per year. Work out the value after 3 years, to the nearest penny.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of August 1978, including the monthly compilation PDF.