Higher
27th July 1983
- 1SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has sides 10 cm, 24 cm and 26 cm. Work out the angle opposite the 10 cm side, to 1 decimal place.
- 2Probability Trees3 marks
A bag holds 5 red and 2 blue counters. Two are taken without replacement. Work out the probability both are red.
- 3Cumulative Frequency2 marks
Four classes in order have frequencies 9, 4, 5, 3. Write down the cumulative frequency at the end of the third class.
- 4The Product Rule for Counting2 marks
A meal deal has 6 mains, 3 sides and 5 drinks. How many different meals are possible?
- 5Parallel and Perpendicular Lines3 marks
Work out the equation of the line parallel to y = -2x + 8 that passes through (3, -13).
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Any date always gives the same five questions, so a sheet can be set again or shared. All of July 1983, including the monthly compilation PDF.