Daily Practice

Higher

19th November 1985

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Circle Theorems2 marks
A, B and C are points on a circle with centre O. Angle AOC is 104°. Work out angle ABC, where B is on the major arc.
2
Venn Diagrams3 marks
In a Venn diagram, 18 are in A only, 9 in B only, 6 in both and 1 in neither. Work out the probability a random one is in both.
3
Capture Recapture3 marks
15 fish are marked and released. Later 21 are caught, of which 7 are marked. Estimate the population.
4
Fractional and Negative Indices3 marks
Work out 64^(2/3).
5
Expanding and Factorising Quadratics2 marks
Factorise x^2 - 9.

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