Daily Practice
Higher
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1st March 1987
- 1Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 9, y = 30. Work out y when x = 6.
- 2Perpendicular Lines and the equation of a tangent2 marks
A line has gradient 3. Work out the gradient of a line perpendicular to it.
- 3Conditional Probability3 marks
16 students study Spanish and 6 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 9 and a maximum of 40. Work out the range.
- 5Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.222... as a fraction in its simplest form.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of March 1987, including the monthly compilation PDF.