Daily Practice

Higher

23rd January 1990

5 questions · 12 marks · Grades 6-7 · 61 question types in this band

1
Capture Recapture3 marks
55 beetles are marked and released. Later 63 are caught, of which 7 are marked. Estimate the population.
2
Standard Form2 marks
Work out (4 x 10^5) x (5 x 10^-6). Give your answer in standard form.
3
Inequalities on Graphs2 marks
A region is defined by y <= -5x - 8. Should the boundary line be solid or dashed, and why?
4
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 4 : 9. Write y in terms of x.
5
Spheres and Cones3 marks
A cone has base radius 5 cm and vertical height 21 cm. Work out its volume, leaving your answer in terms of pi.

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