Higher
12th June 1961
- 1Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 156 values. What cumulative frequency do you read across from to estimate the lower quartile?
- 2Surds2 marks
Write sqrt(48) in the form a sqrt(b), where b is as small as possible.
- 3Parallel and Perpendicular Lines3 marks
Work out the equation of the line parallel to y = -3x + 9 that passes through (3, 3).
- 4Repeated Percentage Change3 marks
A price rises by 25% and then falls by 25%. Work out the overall percentage change, to 2 decimal places.
- 5SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has sides 3 cm, 4 cm and 5 cm. Work out the angle opposite the 3 cm side, to 1 decimal place.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of June 1961, including the monthly compilation PDF.