Daily Practice

Higher

19th March 1983

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

1
Box Plots2 marks
A box plot has minimum 8, lower quartile 17, median 26, upper quartile 31 and maximum 36. Work out the interquartile range.
2
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.8686... as a fraction in its simplest form.
3
Expanding and Factorising Quadratics2 marks
Factorise x^2 - 25.
4
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 4, y = 64. Work out y when x = 8.
5
Circle Theorems2 marks
A, B and C are points on a circle with centre O. Angle AOC is 42°. Work out angle ABC, where B is on the major arc.

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