Daily Practice

Higher

4th September 1971

5 questions · 12 marks · Grades 6-7 · 61 question types in this band

1
Circle Theorems2 marks
ABCD is a cyclic quadrilateral. Angle ABC is 69°. Work out angle ADC.
2
Probability Trees3 marks
A bag holds 5 red and 2 blue counters. Two are taken without replacement. Work out the probability both are red.
3
Box Plots2 marks
A box plot has minimum 6, lower quartile 16, median 24, upper quartile 28 and maximum 32. Work out the interquartile range.
4
Fractional and Negative Indices2 marks
Write 7^-2 as a fraction.
5
Changing the Subject of a Formula3 marks
Make x the subject of y = 7x^2 - 9.

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