Daily Practice - Foundation Plus
16th July 1996
- 1Inequalities on Graphs3 marks
Does the point (5, 6) satisfy y > 2x - 7?
- 2Compound Interest and Depreciation3 marks
£5100 is invested at 2% compound interest per year. Work out the value after 5 years, to the nearest penny.
- 3Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 5. The smaller has an area of 30 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 250 times. How many heads would you expect?
- 5Averages from Frequency Tables2 marks
Grouped data has five classes of width 10, the first being 20 < x <= 30. The frequencies in order are 11, 3, 21, 7, 16. Write down the modal class.
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