Higher
16th January 1985
- 1Speed and Density2 marks
A block has volume 15 cm^3 and density 7.5 g/cm^3. Work out its mass.
- 2Spheres and Cones3 marks
A sphere has radius 9 cm. Work out its volume, leaving your answer in terms of pi.
- 3Probability Trees3 marks
4 of 7 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 10, 10, 12, 11. Write down the cumulative frequency at the end of the third class.
- 5The Product Rule for Counting2 marks
A meal deal has 6 mains, 9 sides and 4 drinks. How many different meals are possible?
You are looking at an earlier sheet. Today's sheet is the one that adds a day.
Your run is kept in this browser only, and there is no account.
Recent Higher sheets
Any date always gives the same five questions, so a sheet can be set again or shared. All of January 1985, including the monthly compilation PDF.