Daily Practice

Higher

28th July 1990

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

1
Box Plots2 marks
A box plot has minimum 14, lower quartile 20, median 29, upper quartile 35 and maximum 40. Work out the interquartile range.
2
Bounds2 marks
A mass is 390 kg, correct to the nearest 10. Write down the lower bound.
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 = 3, y = 63. 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 140°. Work out angle ABC, where B is on the major arc.

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