Daily Practice

Higher

26th November 1986

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

1
Pythagoras2 marks
A right-angled triangle has a hypotenuse of 41 cm and one shorter side of 40 cm. Work out the other shorter side.
2
Venn Diagrams3 marks
In a Venn diagram, 7 are in A only, 8 in B only, 9 in both and 10 in neither. Work out the probability a random one is in both.
3
Cumulative Frequency2 marks
Four classes in order have frequencies 7, 6, 5, 5. Write down the cumulative frequency at the end of the third class.
4
Reverse Percentages3 marks
A bill is £480 including VAT at 20%. Work out the amount before VAT.
5
Expanding Triple Brackets3 marks
Expand and simplify (x - 2)(x + 4)(x + 1).

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