Daily Practice

Higher

25th August 1973

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

1
Conditional Probability3 marks
13 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 10, lower quartile 13, median 15, upper quartile 20 and maximum 28. Work out the interquartile range.
3
Standard Form2 marks
Work out (4 x 10^7) x (9 x 10^-4). Give your answer in standard form.
4
Quadratic Formula3 marks
Work out the discriminant of x^2 - 2x + 12 = 0 and say how many real solutions it has.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 5, y = 100. Work out y when x = 6.

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