Daily Practice

Higher

19th October 1984

5 questions · 13 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, 13 are in A only, 13 in B only, 5 in both and 2 in neither. Work out the probability a random one is in both.
3
Capture Recapture2 marks
A capture-recapture estimate is made of the snail population of a hedgerow. State one assumption the method relies on.
4
Fractional and Negative Indices3 marks
Work out 36^(3/2).
5
Expanding Triple Brackets3 marks
Expand and simplify (x + 3)(x + 4)(x - 4).

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