Daily Practice

Higher

23rd February 1985

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

1
Conditional Probability3 marks
12 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 17, median 27, upper quartile 35 and maximum 45. 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
Solving Quadratics3 marks
Solve x^2 + 3x - 10 = 0.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 4, y = 112. Work out y when x = 8.

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