Daily Practice

Higher

20th September 1990

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

1
Histograms2 marks
A histogram class is 20 units wide and contains 80 values. Work out the frequency density.
2
Surds2 marks
Write sqrt(12) in the form a sqrt(b), where b is as small as possible.
3
Inequalities on Graphs2 marks
A region is defined by y < 5x - 3. Should the boundary line be solid or dashed, and why?
4
Repeated Percentage Change3 marks
A town's population is 2000 and grows by 3% each year. Work out the population after 4 years, to the nearest whole number.
5
Spheres and Cones3 marks
A cone has base radius 6 cm and vertical height 24 cm. Work out its volume, leaving your answer in terms of pi.

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