Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
26th January 2011
- 1Conditional Probability3 marks
13 students study Spanish and 5 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 8, 9, 3, 5. Write down the cumulative frequency at the end of the third class.
- 3Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.6161... as a fraction in its simplest form.
- 4Inequalities on Graphs3 marks
Does the point (3, -1) satisfy y > 4x - 6?
- 5Speed and Density2 marks
A block has volume 50 cm^3 and density 3 g/cm^3. Work out its mass.
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