Daily Practice

Higher

22nd May 1982

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Conditional Probability3 marks
21 students study Spanish and 6 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 14, median 21, upper quartile 24 and maximum 31. Work out the interquartile range.
3
Standard Form3 marks
Work out (28 x 10^10) / (4 x 10^4). Give your answer in standard form.
4
Solving Quadratics3 marks
Solve x^2 + 12x + 32 = 0.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 5, y = 150. Work out y when x = 6.

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