Daily Practice

Higher

7th July 1981

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Pythagoras2 marks
A right-angled triangle has a hypotenuse of 15 cm and one shorter side of 12 cm. Work out the other shorter side.
2
Venn Diagrams3 marks
In a Venn diagram, 7 are in A only, 10 in B only, 5 in both and 6 in neither. Work out the probability a random one is in both.
3
Capture Recapture3 marks
50 voles are marked and released. Later 15 are caught, of which 3 are marked. Estimate the population.
4
Standard Form3 marks
Work out (35 x 10^7) / (5 x 10^2). Give your answer in standard form.
5
Expanding Triple Brackets3 marks
Expand and simplify (x + 4)(x + 3)(x - 1).

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