Daily Practice · Higher
Daily Practice - Higher
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17th September 1991
- 1Expanding and Factorising Quadratics2 marks
Factorise x^2 - 144.
- 2Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 3 : 8. Write y in terms of x.
- 3Circle Theorems2 marks
A, B and C are points on a circle with centre O. Angle AOC is 136°. Work out angle ABC, where B is on the major arc.
- 4Venn Diagrams3 marks
In a Venn diagram, 11 are in A only, 7 in B only, 6 in both and 7 in neither. Work out the probability a random one is in both.
- 5Capture Recapture3 marks
30 newts are marked and released. Later 27 are caught, of which 3 are marked. Estimate the population.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of September 1991, including the monthly compilation PDF.