Daily Practice

Higher

31st August 1988

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

1
Cumulative Frequency2 marks
Four classes in order have frequencies 8, 9, 4, 6. 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 4 digits (0 to 9), and repeats are allowed. How many codes are possible?
3
Parallel and Perpendicular Lines3 marks
A line has equation y = 2x + 1. Work out the gradient of any line perpendicular to it.
4
Speed and Density2 marks
A block has volume 140 cm^3 and density 4 g/cm^3. Work out its mass.
5
Enlarging with Negative Scale Factors3 marks
The point (5, 0) is enlarged by scale factor -3 about the centre (-4, -3). Write down the coordinates of the image.

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