Daily Practice

Higher

8th January 1991

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

1
Expanding Triple Brackets3 marks
Expand and simplify (x + 5)(x + 5)(x - 1).
2
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 4 : 7. Write y in terms of x.
3
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.
4
Venn Diagrams3 marks
In a Venn diagram, 11 are in A only, 18 in B only, 12 in both and 3 in neither. Work out the probability a random one is in both.
5
Capture Recapture3 marks
60 fish are marked and released. Later 72 are caught, of which 6 are marked. Estimate the population.

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