Daily Practice

Higher

19th January 1988

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 4 : 9. Write y in terms of x.
2
Sector Areas and Arc Lengths3 marks
A sector of a circle has radius 6 cm and angle 120°. Work out its area, to 1 decimal place.
3
Conditional Probability3 marks
29 students study Spanish and 9 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
4
Capture Recapture3 marks
25 fish are marked and released. Later 24 are caught, of which 4 are marked. Estimate the population.
5
Standard Form3 marks
Work out (42 x 10^12) / (7 x 10^2). Give your answer in standard form.

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