Daily Practice

Higher

18th August 1979

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Conditional Probability3 marks
31 students study Spanish and 11 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 3, lower quartile 11, median 18, upper quartile 21 and maximum 28. Work out the interquartile range.
3
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.9494... as a fraction in its simplest form.
4
Solving Quadratics3 marks
Solve x^2 + 4x - 21 = 0.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 4, y = 112. Work out y when x = 3.

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