Daily Practice

Higher

29th April 1982

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

1
Histograms2 marks
A histogram class is 20 units wide and contains 80 values. Work out the frequency density.
2
Reverse Percentages3 marks
A bill is £720 including VAT at 20%. Work out the amount before VAT.
3
Expanding and Factorising Quadratics3 marks
Factorise x^2 + 2x + 1.
4
Repeated Percentage Change3 marks
A town's population is 9500 and grows by 6% each year. Work out the population after 3 years, to the nearest whole number.
5
The Sine Rule3 marks
In triangle ABC, angle A is 41°, angle B is 33° and side a is 19 cm. Use the sine rule to work out side b, to 1 decimal place.

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