Higher
8th October 1975
- 1Probability Trees3 marks
5 of 7 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
- 2Cumulative Frequency2 marks
Four classes in order have frequencies 10, 6, 7, 3. Write down the cumulative frequency at the end of the third class.
- 3The Product Rule for Counting2 marks
A meal deal has 8 mains, 8 sides and 2 drinks. How many different meals are possible?
- 4Simultaneous Equations3 marks
3 teas and 4 cakes cost £18.65. 4 teas and 4 cakes cost £20.80. Find the price of a tea.
- 5Speed and Density2 marks
A block has volume 15 cm^3 and density 11 g/cm^3. Work out its mass.
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 October 1975, including the monthly compilation PDF.