Foundation Plus
21st January 1991
- 1Real Life and Distance Time Graphs3 marks
A coach travels 60 km in 1.5 hours, then 80 km in 1 hour. Work out the average speed for the whole journey, to 1 decimal place.
- 2Spheres and Cones3 marks
A sphere has radius 9 cm. Work out its volume, leaving your answer in terms of pi.
- 3Venn Diagrams3 marks
In a Venn diagram, 5 are in A only, 9 in B only, 2 in both and 1 in neither. Work out the probability a random one is in both.
- 4Box Plots2 marks
A box plot has minimum 5, lower quartile 7, median 10, upper quartile 16 and maximum 18. Work out the interquartile range.
- 5Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.777... as a fraction in its simplest form.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of January 1991, including the monthly compilation PDF.