Higher
21st January 1983
- 1Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 6, y = 42. Work out y when x = 3.
- 2Sector Areas and Arc Lengths3 marks
A sector of a circle has radius 13 cm and angle 300°. Work out its area, to 1 decimal place.
- 3Conditional Probability3 marks
20 students study Spanish and 7 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 4Capture Recapture2 marks
A capture-recapture estimate is made of the newt population of a stream. State one assumption the method relies on.
- 5The Product Rule for Counting2 marks
A meal deal has 7 mains, 7 sides and 6 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 January 1983, including the monthly compilation PDF.