Daily Practice
Higher
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9th January 1983
- 1Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 6, y = 30. Work out y when x = 5.
- 2Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 3. The smaller has an area of 4 cm^2. Work out the area of the larger.
- 3Conditional Probability3 marks
8 students study Spanish and 3 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 4Box Plots2 marks
A box plot has a minimum of 17 and a maximum of 59. Work out the range.
- 5Fractional and Negative Indices3 marks
Work out 100^(3/2).
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