Higher
4th October 1973
- 1Repeated Percentage Change3 marks
A town's population is 28000 and grows by 8% each year. Work out the population after 5 years, to the nearest whole number.
- 2Perpendicular Lines and the equation of a tangent2 marks
A line has gradient -2. Work out the gradient of a line perpendicular to it.
- 3Conditional Probability3 marks
16 students study Spanish and 5 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 4Histograms2 marks
A histogram class is 20 units wide and contains 10 values. Work out the frequency density.
- 5The Product Rule for Counting3 marks
A code is 2 letters (A to Z) followed by 4 digits (0 to 9), and repeats are allowed. How many codes 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 October 1973, including the monthly compilation PDF.