Daily Practice

Higher

7th May 1988

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

1
Pythagoras2 marks
A right-angled triangle has a hypotenuse of 17 cm and one shorter side of 15 cm. Work out the other shorter side.
2
Venn Diagrams3 marks
In a Venn diagram, 8 are in A only, 18 in B only, 12 in both and 8 in neither. Work out the probability a random one is in both.
3
Box Plots2 marks
A box plot has minimum 11, lower quartile 21, median 25, upper quartile 33 and maximum 42. Work out the interquartile range.
4
Reverse Percentages3 marks
A bill is £792 including VAT at 20%. Work out the amount before VAT.
5
Expanding Triple Brackets3 marks
Expand and simplify (x - 3)(x + 4)(x + 1).

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