Daily Practice

Higher

21st August 1990

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

1
Capture Recapture3 marks
15 fish are marked and released. Later 28 are caught, of which 7 are marked. Estimate the population.
2
Reverse Percentages3 marks
A bill is £792 including VAT at 20%. Work out the amount before VAT.
3
Parallel and Perpendicular Lines3 marks
A line has equation y = 4x + 9. Work out the gradient of any line perpendicular to it.
4
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 4 : 5. Write y in terms of x.
5
Enlarging with Negative Scale Factors3 marks
The point (-5, 2) is enlarged by scale factor -1 about the centre (-2, 3). Write down the coordinates of the image.

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