Daily Practice
Higher
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13th April 1984
- 1Reverse Percentages3 marks
A bill is £288 including VAT at 20%. Work out the amount before VAT.
- 2Drawing Quadratic Graphs2 marks
For the curve y = x^2 + 3x + 5, work out y when x = 3.
- 3Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 9, y = 45. Work out y when x = 11.
- 4Sector Areas and Arc Lengths3 marks
A sector of a circle has radius 9 cm and angle 240°. Work out its area, to 1 decimal place.
- 5Conditional Probability3 marks
13 students study Spanish and 3 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of April 1984, including the monthly compilation PDF.