Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
21st June 2006
- 1Conditional Probability3 marks
19 students study Spanish and 3 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 2Cumulative Frequency2 marks
Four classes in order have frequencies 6, 9, 11, 4. Write down the cumulative frequency at the end of the third class.
- 3Surds2 marks
Write sqrt(50) in the form a sqrt(b), where b is as small as possible.
- 4Inequalities on Graphs3 marks
Does the point (0, 6) satisfy y > x + 4?
- 5Speed and Density2 marks
A block has volume 40 cm^3 and density 2.5 g/cm^3. Work out its mass.
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