Daily Practice

Higher

16th April 1983

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

1
The Sine Rule3 marks
In triangle ABC, angle A is 65°, angle B is 55° and side a is 15 cm. Use the sine rule to work out side b, to 1 decimal place.
2
Venn Diagrams3 marks
In a Venn diagram, 14 are in A only, 15 in B only, 6 in both and 1 in neither. Work out the probability a random one is in both.
3
Box Plots2 marks
A box plot has minimum 6, lower quartile 12, median 17, upper quartile 23 and maximum 26. Work out the interquartile range.
4
Reverse Percentages3 marks
A bill is £936 including VAT at 20%. Work out the amount before VAT.
5
Expanding and Factorising Quadratics3 marks
Factorise x^2 - 6x - 27.

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