Daily Practice

Higher

27th September 1988

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 : 9. 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
20 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
35 beetles are marked and released. Later 72 are caught, of which 6 are marked. Estimate the population.
5
Reverse Percentages3 marks
A bill is £624 including VAT at 20%. Work out the amount before VAT.

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