Daily Practice

Higher

26th June 1971

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

1
Box Plots2 marks
A box plot has minimum 7, lower quartile 15, median 24, upper quartile 29 and maximum 31. Work out the interquartile range.
2
Reverse Percentages3 marks
A bill is £936 including VAT at 20%. Work out the amount before VAT.
3
Expanding Triple Brackets3 marks
Expand and simplify (x + 3)(x - 1)(x - 4).
4
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 4, y = 128. Work out y when x = 9.
5
Pythagoras2 marks
A right-angled triangle has a hypotenuse of 13 cm and one shorter side of 12 cm. Work out the other shorter side.

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