Daily Practice

Higher

20th February 1965

5 questions · 12 marks · Grades 6-7 · 61 question types in this band

1
Conditional Probability3 marks
21 students study Spanish and 10 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 14, lower quartile 18, median 25, upper quartile 28 and maximum 34. Work out the interquartile range.
3
Fractional and Negative Indices2 marks
Write 5^-3 as a fraction.
4
Drawing Quadratic Graphs2 marks
For the curve y = x^2 - 7x + 12, work out y when x = 3.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 3, y = 81. Work out y when x = 5.

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