Daily Practice

Higher

29th December 1981

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

1
Conditional Probability3 marks
23 students study Spanish and 7 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Capture Recapture3 marks
15 beetles are marked and released. Later 56 are caught, of which 7 are marked. Estimate the population.
3
Reverse Percentages3 marks
A bill is £336 including VAT at 20%. Work out the amount before VAT.
4
Solving Quadratics3 marks
Solve x^2 - 5x - 36 = 0.
5
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 4 : 5. Write y in terms of x.

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