Daily Practice
Higher
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22nd April 1990
- 1Conditional Probability3 marks
18 students study Spanish and 8 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 2Box Plots2 marks
A box plot has a minimum of 10 and a maximum of 58. Work out the range.
- 3Reverse Percentages3 marks
A bill is £168 including VAT at 20%. Work out the amount before VAT.
- 4Inequalities on Graphs3 marks
Does the point (-2, -2) satisfy y > -2x - 7?
- 5Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 3, 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 April 1990, including the monthly compilation PDF.