Daily Practice

Higher

3rd August 1968

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

1
Conditional Probability3 marks
24 students study Spanish and 7 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 9, lower quartile 16, median 22, upper quartile 31 and maximum 40. Work out the interquartile range.
3
Standard Form2 marks
Work out (6 x 10^4) x (8 x 10^5). Give your answer in standard form.
4
Solving Quadratics3 marks
Solve x^2 - 6x + 5 = 0.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 4, y = 80. Work out y when x = 7.

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