Daily Practice

Higher

28th November 1964

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

1
Conditional Probability3 marks
28 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 11, lower quartile 18, median 24, upper quartile 30 and maximum 35. Work out the interquartile range.
3
Surds2 marks
Write sqrt(72) in the form a sqrt(b), where b is as small as possible.
4
Solving Quadratics3 marks
Solve x^2 - 5x - 6 = 0.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 4, y = 144. Work out y when x = 2.

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