Daily Practice

Higher

15th December 1970

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

1
Conditional Probability3 marks
20 students study Spanish and 4 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Capture Recapture3 marks
45 voles are marked and released. Later 48 are caught, of which 6 are marked. Estimate the population.
3
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.9494... as a fraction in its simplest form.
4
Solving Quadratics3 marks
Solve x^2 + 18x + 81 = 0.
5
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 7 : 9. Write y in terms of x.

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