Daily Practice

Higher

18th September 1973

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

1
Conditional Probability3 marks
20 students study Spanish and 8 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Capture Recapture3 marks
40 newts are marked and released. Later 90 are caught, of which 9 are marked. Estimate the population.
3
Standard Form3 marks
Work out (72 x 10^6) / (8 x 10^2). Give your answer in standard form.
4
Solving Quadratics3 marks
Solve x^2 + 5x - 6 = 0.
5
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 3 : 5. Write y in terms of x.

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