Daily Practice

Higher

17th July 1985

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

1
Conditional Probability3 marks
18 students study Spanish and 3 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 9, 8, 6, 9. Write down the cumulative frequency at the end of the third class.
3
Bounds2 marks
A mass is 7.5 kg, correct to 1 decimal place. Write down the lower bound.
4
Solving Quadratics3 marks
Solve x^2 + x - 30 = 0.
5
Speed and Density2 marks
A block has volume 190 cm^3 and density 3 g/cm^3. Work out its mass.

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