Daily Practice · Higher

Daily Practice - Higher

4th March 1997

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

1
Conditional Probability3 marks
25 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
60 fish are marked and released. Later 56 are caught, of which 7 are marked. Estimate the population.
3
Reverse Percentages3 marks
A bill is £216 including VAT at 20%. Work out the amount before VAT.
4
Quadratic Formula3 marks
Use the quadratic formula to solve x^2 + 4x - 8 = 0, to 2 decimal places.
5
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 2 : 5. Write y in terms of x.

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