Foundation Plus
14th July 1969
- 1Solving Equations3 marks
Solve 6(x - 4) = 36.
- 2Repeated Percentage Change3 marks
A town's population is 24000 and grows by 8% each year. Work out the population after 2 years, to the nearest whole number.
- 3Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 5. The smaller has an area of 9 cm^2. Work out the area of the larger.
- 4Probability (Higher)3 marks
A biased coin lands on heads with probability 0.25. It is thrown 500 times. How many heads would you expect?
- 5Capture Recapture3 marks
60 voles are marked and released. Later 16 are caught, of which 2 are marked. Estimate the population.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of July 1969, including the monthly compilation PDF.