Daily Practice
Higher
- 1Conditional Probability3 marks
10 students study Spanish and 6 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 minimum 7, lower quartile 10, median 20, upper quartile 30 and maximum 36. Work out the interquartile range.
- 3Reverse Percentages3 marks
A bill is £96 including VAT at 20%. Work out the amount before VAT.
- 4Solving Quadratics3 marks
Solve x^2 + 13x + 40 = 0.
- 5Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 16. 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 June 1970, including the monthly compilation PDF.