Higher
21st April 1982
- 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, 13 are in A only, 17 in B only, 12 in both and 6 in neither. Work out the probability a random one is in both.
- 3Cumulative Frequency2 marks
Four classes in order have frequencies 8, 8, 6, 10. Write down the cumulative frequency at the end of the third class.
- 4The Product Rule for Counting2 marks
A meal deal has 6 mains, 6 sides and 3 drinks. How many different meals are possible?
- 5Expanding Triple Brackets3 marks
Expand and simplify (x - 4)(x - 2)(x + 1).
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Any date always gives the same five questions, so a sheet can be set again or shared. All of April 1982, including the monthly compilation PDF.