Daily Practice

Higher

29th September 1987

5 questions · 12 marks · Grades 6-7 · 61 question types in this band

1
Conditional Probability3 marks
17 students study Spanish and 5 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Capture Recapture3 marks
45 newts are marked and released. Later 77 are caught, of which 7 are marked. Estimate the population.
3
Standard Form2 marks
Work out (7 x 10^3) x (9 x 10^-2). Give your answer in standard form.
4
Drawing Quadratic Graphs2 marks
For the curve y = x^2 + 2x - 5, work out y when x = 1.
5
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 2 : 9. Write y in terms of x.

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