Daily Practice

Higher

20th December 1989

5 questions · 12 marks · Grades 6-7 · 61 question types in this band

1
Expanding Triple Brackets3 marks
Expand and simplify (x - 5)(x - 1)(x + 5).
2
Speed and Density2 marks
A block has volume 195 cm^3 and density 4 g/cm^3. Work out its mass.
3
Pythagoras2 marks
A right-angled triangle has a hypotenuse of 15 cm and one shorter side of 9 cm. Work out the other shorter side.
4
Venn Diagrams3 marks
In a Venn diagram, 13 are in A only, 10 in B only, 9 in both and 7 in neither. Work out the probability a random one is in both.
5
Cumulative Frequency2 marks
Four classes in order have frequencies 4, 3, 5, 12. Write down the cumulative frequency at the end of the third class.

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