Daily Practice

Higher

24th March 1987

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

1
Changing the Subject of a Formula3 marks
Make x the subject of y = 4x^2 - 2.
2
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 3 : 8. Write y in terms of x.
3
Circle Theorems2 marks
ABCD is a cyclic quadrilateral. Angle ABC is 120°. Work out angle ADC.
4
Probability Trees3 marks
A bag holds 4 red and 5 blue counters. Two are taken without replacement. Work out the probability both are red.
5
Capture Recapture3 marks
45 beetles are marked and released. Later 45 are caught, of which 5 are marked. Estimate the population.

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