Daily Practice

Higher

15th July 1958

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

1
Conditional Probability3 marks
22 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
55 voles are marked and released. Later 80 are caught, of which 8 are marked. Estimate the population.
3
Standard Form3 marks
Work out (12 x 10^11) / (6 x 10^3). Give your answer in standard form.
4
Quadratic Formula3 marks
Use the quadratic formula to solve 2x^2 + 10x - 9 = 0, to 2 decimal places.
5
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 2 : 7. Write y in terms of x.

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