Daily Practice

Higher

10th March 1990

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

1
Pythagoras2 marks
A right-angled triangle has a hypotenuse of 15 cm and one shorter side of 9 cm. Work out the other shorter side.
2
Venn Diagrams3 marks
In a Venn diagram, 10 are in A only, 10 in B only, 5 in both and 3 in neither. Work out the probability a random one is in both.
3
Box Plots2 marks
A box plot has minimum 10, lower quartile 18, median 20, upper quartile 25 and maximum 29. Work out the interquartile range.
4
Standard Form3 marks
Work out (27 x 10^8) / (3 x 10^5). Give your answer in standard form.
5
Expanding Triple Brackets3 marks
Expand and simplify (x - 2)(x - 1)(x + 1).

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