Daily Practice · Higher

Daily Practice - Higher

Grades 6-7 - Higher-tier method and manipulation.

26th April 2003

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

1
Conditional Probability3 marks
10 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 9, lower quartile 11, median 19, upper quartile 22 and maximum 31. Work out the interquartile range.
3
Reverse Percentages3 marks
A bill is £216 including VAT at 20%. Work out the amount before VAT.
4
Inequalities on Graphs3 marks
Does the point (-3, -19) satisfy y > 2x - 7?
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 3, y = 36. Work out y when x = 8.

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