Daily Practice

Higher

14th September 1982

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

1
Capture Recapture3 marks
35 fish are marked and released. Later 25 are caught, of which 5 are marked. Estimate the population.
2
The Product Rule for Counting3 marks
A code is 3 letters (A to Z) followed by 2 digits (0 to 9), and repeats are allowed. How many codes are possible?
3
Inequalities on Graphs2 marks
A region is defined by y <= 3x - 7. Should the boundary line be solid or dashed, and why?
4
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 2 : 7. Write y in terms of x.
5
Spheres and Cones3 marks
A cone has base radius 7 cm and vertical height 21 cm. Work out its volume, leaving your answer in terms of pi.

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