Daily Practice

Higher

24th July 1987

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

1
Pythagoras2 marks
A right-angled triangle has a hypotenuse of 5 cm and one shorter side of 3 cm. Work out the other shorter side.
2
Venn Diagrams3 marks
In a Venn diagram, 10 are in A only, 11 in B only, 8 in both and 10 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
Bounds2 marks
A mass is 27.1 kg, correct to 1 decimal place. Write down the upper bound.
5
Expanding Triple Brackets3 marks
Expand and simplify (x - 3)(x + 4)(x + 3).

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