Daily Practice - Foundation Plus
Grades 4-6 - the Foundation / Higher crossover zone.
17th February 2004
- 1Inequalities on Graphs3 marks
Does the point (-2, -4) satisfy y > 2x - 7?
- 2Compound Interest and Depreciation3 marks
£3800 is invested at 2.5% compound interest per year. Work out the value after 2 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 11 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 50 times. How many heads would you expect?
- 5Averages from Frequency Tables2 marks
Grouped data has five classes of width 5, the first being 15 < x <= 20. The frequencies in order are 7, 21, 11, 16, 3. Write down the modal class.
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