Daily Practice

Higher

2nd February 1990

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 156°. Work out angle ABC, where B is on the major arc.
2
Venn Diagrams3 marks
In a Venn diagram, 3 are in A only, 18 in B only, 6 in both and 10 in neither. Work out the probability a random one is in both.
3
Capture Recapture2 marks
A capture-recapture estimate is made of the newt population of a stream. State one assumption the method relies on.
4
Bounds2 marks
A mass is 70 kg, correct to the nearest whole number. Write down the lower bound.
5
Expanding and Factorising Quadratics2 marks
Factorise x^2 - 100.

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