Daily Practice

Higher

21st October 1978

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

1
Spheres and Cones3 marks
A cone has base radius 6 cm and vertical height 15 cm. Work out its volume, leaving your answer in terms of pi.
2
Probability Trees3 marks
A bag holds 7 red and 5 blue counters. Two are taken without replacement. Work out the probability both are red.
3
Box Plots2 marks
A box plot has minimum 10, lower quartile 17, median 23, upper quartile 28 and maximum 30. Work out the interquartile range.
4
Standard Form3 marks
Work out (6 x 10^10) / (3 x 10^5). Give your answer in standard form.
5
Inequalities on Graphs2 marks
A region is defined by y <= -2x - 6. Should the boundary line be solid or dashed, and why?

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