Daily Practice

Higher

17th June 1980

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

1
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 2 : 7. Write y in terms of x.
2
Perpendicular Lines and the equation of a tangent2 marks
A line has gradient 3. Work out the gradient of a line perpendicular to it.
3
Conditional Probability3 marks
13 students study Spanish and 4 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
4
Capture Recapture3 marks
55 beetles are marked and released. Later 48 are caught, of which 6 are marked. Estimate the population.
5
Standard Form3 marks
Work out (20 x 10^12) / (5 x 10^4). Give your answer in standard form.

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