Higher
18th June 1963
- 1SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has sides 12 cm, 16 cm and 20 cm. Work out the angle opposite the 12 cm side, to 1 decimal place.
- 2Probability Trees3 marks
A bag holds 4 red and 5 blue counters. Two are taken without replacement. Work out the probability both are red.
- 3Capture Recapture3 marks
45 voles are marked and released. Later 108 are caught, of which 9 are marked. Estimate the population.
- 4Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.333... as a fraction in its simplest form.
- 5Parallel and Perpendicular Lines3 marks
Work out the equation of the line parallel to y = 2x + 5 that passes through (3, 18).
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Any date always gives the same five questions, so a sheet can be set again or shared. All of June 1963, including the monthly compilation PDF.