Daily Practice

Higher

29th January 1983

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

1
Conditional Probability3 marks
23 students study Spanish and 6 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 12, lower quartile 14, median 17, upper quartile 23 and maximum 25. Work out the interquartile range.
3
Reverse Percentages3 marks
A bill is £528 including VAT at 20%. Work out the amount before VAT.
4
Inequalities on Graphs3 marks
Does the point (1, -11) satisfy y > -4x - 6?
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 6, y = 72. Work out y when x = 8.

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