Daily Practice

Higher

15th February 1991

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 128°. Work out angle ADC.
2
Probability Trees3 marks
A bag holds 4 red and 7 blue counters. Two are taken without replacement. Work out the probability both are red.
3
Capture Recapture2 marks
A capture-recapture estimate is made of the beetle population of a woodland. State one assumption the method relies on.
4
Fractional and Negative Indices3 marks
Work out 64^(2/3).
5
Changing the Subject of a Formula3 marks
Make x the subject of y = 5x^2 - 11.

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