Daily Practice · Higher

Daily Practice - Higher

27th October 1993

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

1
Conditional Probability3 marks
21 students study Spanish and 10 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Cumulative Frequency2 marks
Four classes in order have frequencies 5, 12, 3, 4. Write down the cumulative frequency at the end of the third class.
3
Surds2 marks
Write sqrt(20) in the form a sqrt(b), where b is as small as possible.
4
Solving Quadratics3 marks
Solve x^2 - 2x - 8 = 0.
5
Speed and Density2 marks
A block has volume 140 cm^3 and density 8 g/cm^3. Work out its mass.

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