Daily Practice

Higher

27th April 1990

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Pythagoras2 marks
A right-angled triangle has a hypotenuse of 29 cm and one shorter side of 21 cm. Work out the other shorter side.
2
Venn Diagrams3 marks
In a Venn diagram, 7 are in A only, 4 in B only, 3 in both and 3 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
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.9191... as a fraction in its simplest form.
5
Expanding Triple Brackets3 marks
Expand and simplify (x + 1)(x + 1)(x - 3).

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