Daily Practice

Higher

26th May 1989

5 questions · 12 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, 4 are in A only, 4 in B only, 8 in both and 7 in neither. Work out the probability a random one is in both.
3
Capture Recapture2 marks
A capture-recapture estimate is made of the moth population of a meadow. State one assumption the method relies on.
4
Standard Form2 marks
Work out (2 x 10^6) x (9 x 10^-4). Give your answer in standard form.
5
Expanding Triple Brackets3 marks
Expand and simplify (x - 4)(x - 3)(x - 3).

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