Daily Practice

Higher

13th February 1988

5 questions · 11 marks · Grades 6-7 · 61 question types in this band

1
Circle Theorems2 marks
A, B and C are points on a circle with centre O. Angle AOC is 40°. Work out angle ABC, where B is on the major arc.
2
Venn Diagrams3 marks
In a Venn diagram, 16 are in A only, 8 in B only, 11 in both and 7 in neither. Work out the probability a random one is in both.
3
Box Plots2 marks
A box plot has minimum 7, lower quartile 9, median 11, upper quartile 21 and maximum 30. Work out the interquartile range.
4
Fractional and Negative Indices2 marks
Write 8^-1 as a fraction.
5
Expanding and Factorising Quadratics2 marks
Factorise x^2 - 4.

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