Daily Practice

Higher

1st August 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 25 cm and one shorter side of 7 cm. Work out the other shorter side.
2
Venn Diagrams3 marks
In a Venn diagram, 7 are in A only, 9 in B only, 8 in both and 6 in neither. Work out the probability a random one is in both.
3
Cumulative Frequency2 marks
Four classes in order have frequencies 12, 8, 8, 7. Write down the cumulative frequency at the end of the third class.
4
Fractional and Negative Indices3 marks
Work out 64^(2/3).
5
Expanding Triple Brackets3 marks
Expand and simplify (x - 3)(x + 3)(x + 2).

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