Daily Practice

Higher

22nd September 1980

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

1
Pythagoras2 marks
A right-angled triangle has a hypotenuse of 29 cm and one shorter side of 20 cm. Work out the other shorter side.
2
Venn Diagrams3 marks
In a Venn diagram, 8 are in A only, 12 in B only, 7 in both and 7 in neither. Work out the probability a random one is in both.
3
Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 72 values. What cumulative frequency do you read across from to estimate the lower quartile?
4
Standard Form2 marks
Work out (4 x 10^8) x (4 x 10^2). Give your answer in standard form.
5
Expanding Triple Brackets3 marks
Expand and simplify (x - 2)(x + 2)(x - 1).

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