Daily Practice

Higher

8th August 1981

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

1
Box Plots2 marks
A box plot has minimum 9, lower quartile 18, median 25, upper quartile 33 and maximum 35. Work out the interquartile range.
2
Reverse Percentages3 marks
A bill is £840 including VAT at 20%. Work out the amount before VAT.
3
Expanding Triple Brackets3 marks
Expand and simplify (x - 3)(x + 1)(x - 2).
4
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 6, y = 108. Work out y when x = 5.
5
Pythagoras2 marks
A right-angled triangle has a hypotenuse of 26 cm and one shorter side of 24 cm. Work out the other shorter side.

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