Higher
2nd October 1961
- 1SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has sides 7 cm, 24 cm and 25 cm. Work out the angle opposite the 7 cm side, to 1 decimal place.
- 2Probability Trees3 marks
A bag holds 7 red and 3 blue counters. Two are taken without replacement. Work out the probability both are red.
- 3Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 56 values. What cumulative frequency do you read across from to estimate the lower quartile?
- 4Standard Form2 marks
Work out (4 x 10^4) x (8 x 10^-6). Give your answer in standard form.
- 5Parallel and Perpendicular Lines3 marks
Work out the equation of the line parallel to y = -2x - 4 that passes through (4, -17).
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Any date always gives the same five questions, so a sheet can be set again or shared. All of October 1961, including the monthly compilation PDF.