Daily Practice

Higher

18th June 1980

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

1
Pythagoras2 marks
A right-angled triangle has a hypotenuse of 26 cm and one shorter side of 10 cm. Work out the other shorter side.
2
Venn Diagrams3 marks
In a Venn diagram, 10 are in A only, 14 in B only, 10 in both and 1 in neither. Work out the probability a random one is in both.
3
Cumulative Frequency2 marks
Four classes in order have frequencies 7, 4, 5, 3. Write down the cumulative frequency at the end of the third class.
4
Fractional and Negative Indices3 marks
Work out 81^(3/2).
5
Expanding Triple Brackets3 marks
Expand and simplify (x + 5)(x - 5)(x + 3).

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