Daily Practice

Higher

19th April 1986

5 questions · 12 marks · Grades 6-7 · 61 question types in this band

1
Conditional Probability3 marks
26 students study Spanish and 11 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 8, lower quartile 13, median 21, upper quartile 27 and maximum 30. Work out the interquartile range.
3
Standard Form2 marks
Work out (3 x 10^8) x (4 x 10^-5). Give your answer in standard form.
4
Drawing Quadratic Graphs2 marks
For the curve y = x^2 + 5x + 2, work out y when x = 3.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 28. Work out y when x = 8.

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