Daily Practice

Higher

6th October 1990

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

1
Spheres and Cones3 marks
A cone has base radius 9 cm and vertical height 21 cm. Work out its volume, leaving your answer in terms of pi.
2
Probability Trees3 marks
A bag holds 5 red and 2 blue counters. Two are taken without replacement. Work out the probability both are red.
3
Box Plots2 marks
A box plot has minimum 11, lower quartile 18, median 26, upper quartile 31 and maximum 34. Work out the interquartile range.
4
Fractional and Negative Indices3 marks
Work out 216^(2/3).
5
Inequalities on Graphs2 marks
A region is defined by y <= 4x - 7. Should the boundary line be solid or dashed, and why?

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