Daily Practice

Higher

3rd February 1967

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 170°. Work out angle ABC, where B is on the major arc.
2
Venn Diagrams3 marks
In a Venn diagram, 6 are in A only, 13 in B only, 3 in both and 3 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
Fractional and Negative Indices3 marks
Work out 16^(3/2).
5
Expanding and Factorising Quadratics2 marks
Factorise x^2 - 81.

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