Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
13th July 2017
- 1Reverse Percentages3 marks
A bill is £624 including VAT at 20%. Work out the amount before VAT.
- 2Drawing Quadratic Graphs2 marks
For the curve y = x^2 + x + 10, work out y when x = 2.
- 3Repeated Percentage Change3 marks
A town's population is 18000 and grows by 5% each year. Work out the population after 4 years, to the nearest whole number.
- 4Sector Areas and Arc Lengths3 marks
A sector of a circle has radius 11 cm and angle 180°. Work out its area, to 1 decimal place.
- 5Conditional Probability3 marks
16 students study Spanish and 4 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
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