Higher
9th April 1991
- 1Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 2 : 5. Write y in terms of x.
- 2Congruent Triangles2 marks
Two triangles are known to be congruent because both are right-angled with equal hypotenuses and one other equal side. Which congruence condition is this?
- 3Conditional Probability3 marks
13 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 Recapture3 marks
30 beetles are marked and released. Later 72 are caught, of which 8 are marked. Estimate the population.
- 5Reverse Percentages3 marks
A bill is £552 including VAT at 20%. Work out the amount before VAT.
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 1991, including the monthly compilation PDF.