Daily Practice
Higher
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2nd September 1984
- 1Probability Trees3 marks
1 of 6 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
- 2Box Plots2 marks
A box plot has a minimum of 20 and a maximum of 70. Work out the range.
- 3Standard Form2 marks
Work out (2 x 10^6) x (3 x 10^5). Give your answer in standard form.
- 4Equation of a Line3 marks
A line has gradient -1 and passes through (4, -7). Work out its equation.
- 5Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 5, y = 30. 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 September 1984, including the monthly compilation PDF.