Daily Practice

Higher

24th October 1979

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

1
Cumulative Frequency2 marks
Four classes in order have frequencies 4, 12, 11, 4. Write down the cumulative frequency at the end of the third class.
2
The Product Rule for Counting3 marks
A code is 2 letters (A to Z) followed by 2 digits (0 to 9), and repeats are allowed. How many codes are possible?
3
Inequalities on Graphs2 marks
A region is defined by y <= -5x - 7. Should the boundary line be solid or dashed, and why?
4
Speed and Density2 marks
A block has volume 130 cm^3 and density 2.5 g/cm^3. Work out its mass.
5
Spheres and Cones3 marks
A cone has base radius 3 cm and vertical height 15 cm. Work out its volume, leaving your answer in terms of pi.

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