Daily Practice

Higher

6th March 1990

5 questions · 11 marks · Grades 6-7 · 61 question types in this band

1
Capture Recapture3 marks
35 beetles are marked and released. Later 56 are caught, of which 8 are marked. Estimate the population.
2
Surds2 marks
Write sqrt(50) in the form a sqrt(b), where b is as small as possible.
3
Expanding and Factorising Quadratics2 marks
Factorise x^2 - 81.
4
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 4 : 9. Write y in terms of x.
5
Circle Theorems2 marks
A, B and C are points on a circle with centre O. Angle AOC is 134°. Work out angle ABC, where B is on the major arc.

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