Daily Practice
Higher
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4th August 1985
- 1Probability Trees3 marks
7 of 10 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 4 and a maximum of 27. Work out the range.
- 3Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.3636... as a fraction in its simplest form.
- 4Equation of a Line3 marks
A line has gradient -2 and passes through (3, -15). Work out its equation.
- 5Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 9, 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 August 1985, including the monthly compilation PDF.