Daily Practice
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6th January 1985
- 1Conditional Probability3 marks
24 students study Spanish and 4 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 2Box Plots2 marks
A box plot has a minimum of 16 and a maximum of 33. Work out the range.
- 3Fractional and Negative Indices2 marks
Write 6^-2 as a fraction.
- 4Solving Quadratics3 marks
Solve x^2 - 3x - 18 = 0.
- 5Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 2, y = 12. Work out y when x = 6.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of January 1985, including the monthly compilation PDF.