Daily Practice

Higher

25th February 1965

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

1
The Sine Rule3 marks
In triangle ABC, angle A is 72°, angle B is 61° and side a is 17 cm. Use the sine rule to work out side b, to 1 decimal place.
2
Venn Diagrams3 marks
In a Venn diagram, 3 are in A only, 12 in B only, 7 in both and 3 in neither. Work out the probability a random one is in both.
3
Histograms2 marks
A histogram class is 20 units wide and contains 60 values. Work out the frequency density.
4
Bounds2 marks
A mass is 57 kg, correct to the nearest whole number. Write down the lower bound.
5
Expanding and Factorising Quadratics3 marks
Factorise x^2 + 10x + 21.

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