Daily Practice

Higher

18th May 1991

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

1
Box Plots2 marks
A box plot has minimum 12, lower quartile 17, median 24, upper quartile 27 and maximum 32. Work out the interquartile range.
2
The Product Rule for Counting3 marks
A code is 3 letters (A to Z) followed by 4 digits (0 to 9), and repeats are allowed. How many codes are possible?
3
Inequalities on Graphs2 marks
A region is defined by y < -x - 1. Should the boundary line be solid or dashed, and why?
4
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 3, y = 36. Work out y when x = 7.
5
Spheres and Cones3 marks
A cone has base radius 6 cm and vertical height 6 cm. Work out its volume, leaving your answer in terms of pi.

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