Daily Practice

Higher

23rd October 1981

5 questions · 11 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 82°. Work out angle ABC, where B is on the major arc.
2
Venn Diagrams3 marks
In a Venn diagram, 7 are in A only, 10 in B only, 6 in both and 1 in neither. Work out the probability a random one is in both.
3
Capture Recapture2 marks
A capture-recapture estimate is made of the snail population of a hedgerow. State one assumption the method relies on.
4
Standard Form2 marks
Work out (9 x 10^8) x (6 x 10^-3). Give your answer in standard form.
5
Expanding and Factorising Quadratics2 marks
Factorise x^2 - 25.

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