Higher
17th October 1966
- 1Repeated Percentage Change3 marks
A price rises by 25% and then falls by 25%. Work out the overall percentage change, to 2 decimal places.
- 2Perpendicular Lines and the equation of a tangent2 marks
A line has gradient -5. Work out the gradient of a line perpendicular to it.
- 3Conditional Probability3 marks
13 students study Spanish and 7 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 4Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 224 values. What cumulative frequency do you read across from to estimate the lower quartile?
- 5The Product Rule for Counting2 marks
A meal deal has 9 mains, 5 sides and 5 drinks. How many different meals are possible?
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Any date always gives the same five questions, so a sheet can be set again or shared. All of October 1966, including the monthly compilation PDF.