Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
27th June 2001
- 1Speed and Density2 marks
A block has volume 25 cm^3 and density 4 g/cm^3. Work out its mass.
- 2Perpendicular Lines and the equation of a tangent2 marks
A line has gradient 4. Work out the gradient of a line perpendicular to it.
- 3Conditional Probability3 marks
22 students study Spanish and 12 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 4Cumulative Frequency2 marks
Four classes in order have frequencies 10, 6, 9, 7. Write down the cumulative frequency at the end of the third class.
- 5The Product Rule for Counting2 marks
A meal deal has 7 mains, 7 sides and 5 drinks. How many different meals are possible?
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