Higher
26th December 1979
- 1Speed and Density2 marks
A block has volume 140 cm^3 and density 7.5 g/cm^3. Work out its mass.
- 2Finding the Area of Any Triangle3 marks
A triangle has sides of 12 cm and 12 cm with an angle of 105° between them. Work out its area, to 1 decimal place.
- 3Probability Trees3 marks
2 of 9 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
- 4Cumulative Frequency2 marks
Four classes in order have frequencies 8, 11, 6, 9. Write down the cumulative frequency at the end of the third class.
- 5The Product Rule for Counting2 marks
A meal deal has 3 mains, 4 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 December 1979, including the monthly compilation PDF.