Daily Practice

Higher

7th August 1990

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Circle Theorems2 marks
ABCD is a cyclic quadrilateral. Angle ABC is 92°. Work out angle ADC.
2
Probability Trees3 marks
A bag holds 9 red and 3 blue counters. Two are taken without replacement. Work out the probability both are red.
3
Capture Recapture3 marks
35 newts are marked and released. Later 20 are caught, of which 4 are marked. Estimate the population.
4
Surds2 marks
Write sqrt(18) in the form a sqrt(b), where b is as small as possible.
5
Changing the Subject of a Formula3 marks
Make x the subject of y = 4x^2 - 5.

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