Foundation Plus
7th November 1981
- 1Standard Form3 marks
Work out (32 x 10^7) / (4 x 10^3). Give your answer in standard form.
- 2Sequences (Nth Term)2 marks
A sequence has nth term 7n + 5. Work out the 25th term.
- 3Compound Interest and Depreciation3 marks
A van is worth £15500. It depreciates by 20% each year. Work out its value after 3 years, to the nearest penny.
- 4Circle Theorems2 marks
A, B and C are points on a circle with centre O. Angle AOC is 68°. Work out angle ABC, where B is on the major arc.
- 5Venn Diagrams3 marks
In a Venn diagram, 9 are in A only, 14 in B only, 3 in both and 8 in neither. Work out the probability a random one is in A or B.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of November 1981, including the monthly compilation PDF.