Foundation Plus
27th January 1983
- 1Best Buy Questions3 marks
A pack of 11 pencils costs £6.05. A pack of 44 costs £22.44. Which pack is better value?
- 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, 7 are in A only, 6 in B only, 3 in both and 4 in neither. Work out the probability a random one is in both.
- 4Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 140 values. What cumulative frequency do you read across from to estimate the lower quartile?
- 5Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.222... 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 1983, including the monthly compilation PDF.