Daily Practice

Higher

21st January 1984

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

1
Expanding Triple Brackets3 marks
Expand and simplify (x + 3)(x + 2)(x + 1).
2
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 6, y = 288. Work out y when x = 3.
3
Pythagoras2 marks
A right-angled triangle has a hypotenuse of 26 cm and one shorter side of 10 cm. Work out the other shorter side.
4
Venn Diagrams3 marks
In a Venn diagram, 7 are in A only, 16 in B only, 9 in both and 7 in neither. Work out the probability a random one is in both.
5
Box Plots2 marks
A box plot has minimum 6, lower quartile 10, median 18, upper quartile 26 and maximum 32. Work out the interquartile range.

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