Daily Practice

Higher

19th February 1980

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

1
The Sine Rule3 marks
In triangle ABC, angle A is 46°, angle B is 53° and side a is 11 cm. Use the sine rule to work out side b, to 1 decimal place.
2
Venn Diagrams3 marks
In a Venn diagram, 9 are in A only, 8 in B only, 8 in both and 9 in neither. Work out the probability a random one is in both.
3
Capture Recapture3 marks
60 voles are marked and released. Later 50 are caught, of which 5 are marked. Estimate the population.
4
The Product Rule for Counting2 marks
A meal deal has 8 mains, 8 sides and 6 drinks. How many different meals are possible?
5
Expanding and Factorising Quadratics3 marks
Factorise x^2 - 16x + 63.

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