Daily Practice
Higher
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19th November 1978
- 1Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 7, y = 50. Work out y when x = 10.
- 2Perpendicular Lines and the equation of a tangent2 marks
A line has gradient -4. Work out the gradient of a line perpendicular to it.
- 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 8 and a maximum of 51. Work out the range.
- 5Surds2 marks
Write sqrt(32) in the form a sqrt(b), where b is as small as possible.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of November 1978, including the monthly compilation PDF.