Daily Practice

Higher

22nd February 1984

5 questions · 12 marks · Grades 6-7 · 61 question types in this band

1
Pythagoras2 marks
A right-angled triangle has a hypotenuse of 5 cm and one shorter side of 3 cm. Work out the other shorter side.
2
Venn Diagrams3 marks
In a Venn diagram, 18 are in A only, 7 in B only, 2 in both and 7 in neither. Work out the probability a random one is in both.
3
Cumulative Frequency2 marks
Four classes in order have frequencies 4, 3, 5, 4. Write down the cumulative frequency at the end of the third class.
4
Fractional and Negative Indices2 marks
Write 5^-1 as a fraction.
5
Expanding Triple Brackets3 marks
Expand and simplify (x - 4)(x - 5)(x + 5).

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