Daily Practice

Higher

20th September 1952

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

1
Conditional Probability3 marks
25 students study Spanish and 9 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 11, lower quartile 21, median 24, upper quartile 32 and maximum 39. Work out the interquartile range.
3
Reverse Percentages3 marks
A bill is £768 including VAT at 20%. Work out the amount before VAT.
4
Inequalities on Graphs3 marks
Does the point (-1, 7) satisfy y > 3x + 8?
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 5, y = 125. Work out y when x = 3.

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