Daily Practice · Higher

Daily Practice - Higher

4th July 1992

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 15, lower quartile 18, median 28, upper quartile 33 and maximum 42. Work out the interquartile range.
3
Standard Form3 marks
Work out (18 x 10^7) / (9 x 10^4). Give your answer in standard form.
4
Solving Quadratics3 marks
Solve x^2 - 11x + 28 = 0.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 5, y = 175. Work out y when x = 9.

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