Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
8th March 2000
- 1Reverse Percentages3 marks
A bill is £504 including VAT at 20%. Work out the amount before VAT.
- 2Drawing Quadratic Graphs2 marks
For the curve y = x^2 - 2x - 9, work out y when x = 4.
- 3Speed and Density2 marks
A block has volume 60 cm^3 and density 8 g/cm^3. Work out its mass.
- 4Sector Areas and Arc Lengths3 marks
A sector of a circle has radius 7 cm and angle 120°. Work out its area, to 1 decimal place.
- 5Conditional Probability3 marks
24 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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