Higher
23rd March 1983
- 1Pythagoras2 marks
A right-angled triangle has a hypotenuse of 41 cm and one shorter side of 40 cm. Work out the other shorter side.
- 2Venn Diagrams3 marks
In a Venn diagram, 14 are in A only, 14 in B only, 8 in both and 10 in neither. Work out the probability a random one is in both.
- 3Cumulative Frequency2 marks
Four classes in order have frequencies 8, 3, 12, 8. Write down the cumulative frequency at the end of the third class.
- 4Bounds2 marks
A mass is 14 kg, correct to the nearest whole number. Write down the upper bound.
- 5Expanding Triple Brackets3 marks
Expand and simplify (x + 2)(x + 1)(x - 2).
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Any date always gives the same five questions, so a sheet can be set again or shared. All of March 1983, including the monthly compilation PDF.