Daily Practice

Higher

17th January 1968

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

1
The Sine Rule3 marks
In triangle ABC, angle A is 79°, angle B is 70° and side a is 9 cm. Use the sine rule to work out side b, to 1 decimal place.
2
Venn Diagrams3 marks
In a Venn diagram, 16 are in A only, 3 in B only, 7 in both and 2 in neither. Work out the probability a random one is in both.
3
Cumulative Frequency2 marks
Four classes in order have frequencies 6, 5, 6, 4. Write down the cumulative frequency at the end of the third class.
4
Bounds2 marks
A mass is 410 kg, correct to the nearest 10. Write down the lower bound.
5
Expanding and Factorising Quadratics3 marks
Factorise x^2 + 7x + 10.

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