Daily Practice

Higher

24th November 1990

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

1
Conditional Probability3 marks
26 students study Spanish and 7 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 2, lower quartile 7, median 16, upper quartile 22 and maximum 25. Work out the interquartile range.
3
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.777... as a fraction in its simplest form.
4
Drawing Quadratic Graphs2 marks
For the curve y = x^2 + 6x - 11, work out y when x = 0.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 3, y = 18. Work out y when x = 2.

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