Daily Practice

Higher

31st March 1983

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

1
Histograms2 marks
A histogram class is 5 units wide and contains 12.5 values. Work out the frequency density.
2
The Product Rule for Counting3 marks
A code is 2 letters (A to Z) followed by 3 digits (0 to 9), and repeats are allowed. How many codes are possible?
3
Expanding and Factorising Quadratics3 marks
Factorise x^2 - 14x + 45.
4
Repeated Percentage Change3 marks
A town's population is 7500 and grows by 4% each year. Work out the population after 4 years, to the nearest whole number.
5
The Sine Rule3 marks
In triangle ABC, angle A is 45°, angle B is 69° and side a is 20 cm. Use the sine rule to work out side b, to 1 decimal place.

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