Daily Practice
Higher
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12th December 1979
- 1Reverse Percentages3 marks
A bill is £888 including VAT at 20%. Work out the amount before VAT.
- 2Drawing Quadratic Graphs2 marks
For the curve y = x^2 - 6x - 2, work out y when x = 2.
- 3Speed and Density2 marks
A block has volume 30 cm^3 and density 4 g/cm^3. Work out its mass.
- 4Sector Areas and Arc Lengths3 marks
A sector of a circle has radius 14 cm and angle 60°. Work out its area, to 1 decimal place.
- 5Conditional Probability3 marks
31 students study Spanish and 11 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 December 1979, including the monthly compilation PDF.