Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
24th December 2014
- 1Conditional Probability3 marks
22 students study Spanish and 11 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 10, 10, 9, 7. Write down the cumulative frequency at the end of the third class.
- 3The Product Rule for Counting2 marks
A meal deal has 9 mains, 8 sides and 4 drinks. How many different meals are possible?
- 4Solving Quadratics3 marks
Solve x^2 + x - 2 = 0.
- 5Speed and Density2 marks
A block has volume 170 cm^3 and density 4 g/cm^3. Work out its mass.
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