Higher
2nd September 1986
- 1Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 5 : 9. Write y in terms of x.
- 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
25 students study Spanish and 10 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 4Capture Recapture3 marks
10 voles are marked and released. Later 64 are caught, of which 8 are marked. Estimate the population.
- 5The Product Rule for Counting2 marks
A meal deal has 5 mains, 3 sides and 6 drinks. How many different meals are possible?
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Any date always gives the same five questions, so a sheet can be set again or shared. All of September 1986, including the monthly compilation PDF.