Daily Practice

Higher

14th May 1988

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

1
Conditional Probability3 marks
27 students study Spanish and 8 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 7, lower quartile 16, median 26, upper quartile 33 and maximum 38. Work out the interquartile range.
3
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.555... as a fraction in its simplest form.
4
Quadratic Formula3 marks
Use the quadratic formula to solve x^2 + 2x - 12 = 0, to 2 decimal places.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 4, y = 32. Work out y when x = 8.

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