Daily Practice

Higher

5th September 1987

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

1
Conditional Probability3 marks
23 students study Spanish and 6 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Box Plots2 marks
A box plot has minimum 7, lower quartile 9, median 13, upper quartile 19 and maximum 25. Work out the interquartile range.
3
Surds2 marks
Write sqrt(8) in the form a sqrt(b), where b is as small as possible.
4
Inequalities on Graphs3 marks
Does the point (-3, -12) satisfy y > 3x - 5?
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 8. Work out y when x = 3.

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