Daily Practice

Higher

15th October 1977

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

1
Conditional Probability3 marks
14 students study Spanish and 5 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 4, lower quartile 10, median 15, upper quartile 19 and maximum 21. Work out the interquartile range.
3
Fractional and Negative Indices2 marks
Write 3^-3 as a fraction.
4
Solving Quadratics3 marks
Solve x^2 - 9x + 8 = 0.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 5, y = 100. Work out y when x = 8.

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