Daily Practice

Higher

21st March 1987

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

1
Conditional Probability3 marks
16 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 14, lower quartile 23, median 32, upper quartile 42 and maximum 45. Work out the interquartile range.
3
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.3030... as a fraction in its simplest form.
4
Drawing Quadratic Graphs2 marks
For the curve y = x^2 - 2x - 8, work out y when x = -4.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 6, y = 288. Work out y when x = 9.

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