Daily Practice - Foundation Plus
Grades 4-6 - the Foundation / Higher crossover zone.
20th September 2011
- 1Inequalities on Graphs3 marks
Does the point (1, -5) satisfy y > 2x - 4?
- 2Compound Interest and Depreciation3 marks
£5600 is invested at 5% compound interest per year. Work out the value after 4 years, to the nearest penny.
- 3Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 4. The smaller has an area of 20 cm^2. Work out the area of the larger.
- 4Probability (Higher)3 marks
A biased coin lands on heads with probability 0.2. It is thrown 100 times. How many heads would you expect?
- 5Averages from Frequency Tables2 marks
Grouped data has five classes of width 10, the first being 0 < x <= 10. The frequencies in order are 16, 21, 11, 3, 7. Write down the modal class.
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