Higher
14th October 1978
- 1Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 24. Work out y when x = 4.
- 2Congruent Triangles2 marks
Two triangles are known to be congruent because both have a right angle, the same hypotenuse length and one equal leg. Which congruence condition is this?
- 3Conditional Probability3 marks
20 students study Spanish and 4 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 4Box Plots2 marks
A box plot has minimum 3, lower quartile 7, median 17, upper quartile 19 and maximum 26. Work out the interquartile range.
- 5Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.6262... as a fraction in its simplest 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 October 1978, including the monthly compilation PDF.