Daily Practice

Higher

24th May 1980

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 4, y = 32. Work out y when x = 8.
2
Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 2. The smaller has an area of 20 cm^2. Work out the area of the larger.
3
Conditional Probability3 marks
26 students study Spanish and 7 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
4
Box Plots2 marks
A box plot has minimum 4, lower quartile 7, median 14, upper quartile 24 and maximum 27. Work out the interquartile range.
5
Standard Form2 marks
Work out (2 x 10^3) x (2 x 10^-2). Give your answer in standard form.

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