Daily Practice

Higher

18th February 1984

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

1
Box Plots2 marks
A box plot has minimum 6, lower quartile 15, median 23, upper quartile 33 and maximum 36. Work out the interquartile range.
2
Reverse Percentages3 marks
A bill is £504 including VAT at 20%. Work out the amount before VAT.
3
Expanding and Factorising Quadratics2 marks
Factorise x^2 - 16.
4
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 5, y = 100. Work out y when x = 2.
5
Circle Theorems2 marks
A, B and C are points on a circle with centre O. Angle AOC is 92°. Work out angle ABC, where B is on the major arc.

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