Daily Practice
Foundation Plus
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20th July 1981
- 1Probability Trees3 marks
A bag holds 5 red and 7 blue counters. Two are taken without replacement. Work out the probability both are red.
- 2Capture Recapture3 marks
25 beetles are marked and released. Later 21 are caught, of which 3 are marked. Estimate the population.
- 3Indices1 mark
Write down the value of 19^1.
- 4Solving Equations3 marks
Solve 3(x + 5) = 30.
- 5Repeated Percentage Change3 marks
A town's population is 32000 and grows by 5% each year. Work out the population after 5 years, to the nearest whole number.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of July 1981, including the monthly compilation PDF.