Higher
25th November 1969
- 1SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has sides 6 cm, 8 cm and 10 cm. Work out the angle opposite the 6 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.
- 3Capture Recapture3 marks
60 beetles are marked and released. Later 66 are caught, of which 6 are marked. Estimate the population.
- 4Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.8888... as a fraction in its simplest form.
- 5Parallel and Perpendicular Lines3 marks
Work out the equation of the line parallel to y = 2x - 8 that passes through (3, 15).
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Any date always gives the same five questions, so a sheet can be set again or shared. All of November 1969, including the monthly compilation PDF.