Foundation Plus
14th September 1964
- 1Drawing Other Graphs: Cubic/Reciprocal2 marks
For the curve y = -120/x, work out y when x = 10, and write down the equation of its vertical asymptote.
- 2Repeated Percentage Change3 marks
A town's population is 27500 and grows by 5% each year. Work out the population after 6 years, to the nearest whole number.
- 3Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 4. The smaller has an area of 13 cm^2. Work out the area of the larger.
- 4Probability (Higher)3 marks
A biased coin lands on heads with probability 0.15. It is thrown 250 times. How many heads would you expect?
- 5Box Plots2 marks
A box plot has minimum 11, lower quartile 13, median 18, upper quartile 22 and maximum 30. Work out the interquartile range.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of September 1964, including the monthly compilation PDF.