Daily Practice

Higher

9th February 1988

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

1
Capture Recapture3 marks
50 fish are marked and released. Later 24 are caught, of which 6 are marked. Estimate the population.
2
Reverse Percentages3 marks
A bill is £432 including VAT at 20%. Work out the amount before VAT.
3
Expanding and Factorising Quadratics3 marks
Factorise x^2 + 3x - 18.
4
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 2 : 7. Write y in terms of x.
5
The Sine Rule3 marks
In triangle ABC, angle A is 62°, angle B is 78° and side a is 7 cm. Use the sine rule to work out side b, to 1 decimal place.

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