Daily Practice

Higher

4th October 1980

5 questions · 12 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 122°. Work out angle ABC, where B is on the major arc.
2
Venn Diagrams3 marks
In a Venn diagram, 4 are in A only, 10 in B only, 4 in both and 2 in neither. Work out the probability a random one is in both.
3
Box Plots2 marks
A box plot has minimum 4, lower quartile 10, median 12, upper quartile 16 and maximum 23. Work out the interquartile range.
4
Reverse Percentages3 marks
A bill is £336 including VAT at 20%. Work out the amount before VAT.
5
Expanding and Factorising Quadratics2 marks
Factorise x^2 - 121.

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