Daily Practice

Higher

22nd January 1985

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

1
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 3 : 5. Write y in terms of x.
2
Perpendicular Lines and the equation of a tangent2 marks
A line has gradient 2. Work out the gradient of a line perpendicular to it.
3
Conditional Probability3 marks
27 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
60 beetles are marked and released. Later 108 are caught, of which 9 are marked. Estimate the population.
5
Bounds2 marks
A mass is 18 kg, correct to the nearest whole number. Write down the lower bound.

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