Daily Practice

Higher

16th September 1978

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

1
Conditional Probability3 marks
23 students study Spanish and 8 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 12, lower quartile 14, median 19, upper quartile 22 and maximum 30. Work out the interquartile range.
3
Standard Form2 marks
Work out (3 x 10^5) x (4 x 10^-3). Give your answer in standard form.
4
Solving Quadratics3 marks
Solve x^2 + 10x + 9 = 0.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 5, y = 175. Work out y when x = 2.

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