Daily Practice

Higher

23rd August 1988

5 questions · 12 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 140°. Work out angle ABC, where B is on the major arc.
2
Venn Diagrams3 marks
In a Venn diagram, 15 are in A only, 9 in B only, 6 in both and 4 in neither. Work out the probability a random one is in both.
3
Capture Recapture3 marks
50 voles are marked and released. Later 25 are caught, of which 5 are marked. Estimate the population.
4
Bounds2 marks
A mass is 27 kg, correct to the nearest whole number. Write down the upper bound.
5
Expanding and Factorising Quadratics2 marks
Factorise x^2 - 49.

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