Daily Practice

Higher

10th October 1985

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Histograms2 marks
A histogram class is 10 units wide and contains 40 values. Work out the frequency density.
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 = 5x + 3. Work out the gradient of any line perpendicular to it.
4
Repeated Percentage Change3 marks
A town's population is 17000 and grows by 3% each year. Work out the population after 6 years, to the nearest whole number.
5
Enlarging with Negative Scale Factors3 marks
The point (5, -5) is enlarged by scale factor -1 about the centre (-4, 2). Write down the coordinates of the image.

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