Daily Practice
Higher
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10th April 1971
- 1Reverse Percentages3 marks
A bill is £216 including VAT at 20%. Work out the amount before VAT.
- 2Drawing Quadratic Graphs2 marks
For the curve y = x^2 + 5x - 8, work out y when x = -3.
- 3Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 8. Work out y when x = 6.
- 4Sector Areas and Arc Lengths3 marks
A sector of a circle has radius 9 cm and angle 60°. Work out its area, to 1 decimal place.
- 5Conditional Probability3 marks
17 students study Spanish and 8 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 1971, including the monthly compilation PDF.