Daily Practice

Higher

24th March 1984

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Conditional Probability3 marks
13 students study Spanish and 9 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 3, lower quartile 12, median 15, upper quartile 19 and maximum 22. Work out the interquartile range.
3
Fractional and Negative Indices3 marks
Work out 8^(2/3).
4
Solving Quadratics3 marks
Solve x^2 - 2x - 35 = 0.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 4, y = 32. Work out y when x = 5.

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