Daily Practice

Higher

10th April 1989

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

1
Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 236 values. What cumulative frequency do you read across from to estimate the lower quartile?
2
Surds2 marks
Write sqrt(48) in the form a sqrt(b), where b is as small as possible.
3
Inequalities on Graphs2 marks
A region is defined by y <= -2x - 8. Should the boundary line be solid or dashed, and why?
4
Repeated Percentage Change3 marks
A price rises by 20% and then falls by 20%. Work out the overall percentage change, to 2 decimal places.
5
Spheres and Cones3 marks
A cone has base radius 2 cm and vertical height 24 cm. Work out its volume, leaving your answer in terms of pi.

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