Higher
15th April 1983
- 1Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 8, y = 40. Work out y when x = 15.
- 2Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 4. The smaller has an area of 24 cm^2. Work out the area of the larger.
- 3Conditional Probability3 marks
22 students study Spanish and 9 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.
- 5Standard Form2 marks
Work out (3 x 10^4) x (4 x 10^3). Give your answer in standard form.
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 April 1983, including the monthly compilation PDF.