Daily Practice - Higher
- 1Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 5, y = 100. Work out y when x = 8.
- 2Vectors3 marks
a is the column vector (3, -4) and b is (-6, 6). Work out 4a - 4b as a column vector.
- 3Probability Trees3 marks
5 of 10 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
- 4Box Plots2 marks
A box plot has minimum 7, lower quartile 12, median 18, upper quartile 23 and maximum 27. Work out the interquartile 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 May 1996, including the monthly compilation PDF.