Daily Practice

Higher

5th March 1974

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Conditional Probability3 marks
16 students study Spanish and 6 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Capture Recapture3 marks
25 beetles are marked and released. Later 32 are caught, of which 8 are marked. Estimate the population.
3
Fractional and Negative Indices2 marks
Write 2^-2 as a fraction.
4
Quadratic Formula3 marks
Use the quadratic formula to solve 2x^2 - 12x + 8 = 0, to 2 decimal places.
5
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 4 : 7. Write y in terms of x.

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