Daily Practice

Higher

25th May 1971

5 questions · 14 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 24 cm. Work out the other shorter side.
2
Venn Diagrams3 marks
In a Venn diagram, 3 are in A only, 13 in B only, 11 in both and 9 in neither. Work out the probability a random one is in both.
3
Capture Recapture3 marks
40 fish are marked and released. Later 32 are caught, of which 4 are marked. Estimate the population.
4
Standard Form3 marks
Work out (32 x 10^11) / (8 x 10^3). Give your answer in standard form.
5
Expanding Triple Brackets3 marks
Expand and simplify (x + 1)(x + 3)(x - 3).

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