Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
- 1Repeated Percentage Change3 marks
A price rises by 25% and then falls by 15%. Work out the overall percentage change, to 2 decimal places.
- 2Sector Areas and Arc Lengths3 marks
A sector of a circle has radius 13 cm and angle 300°. Work out its area, to 1 decimal place.
- 3Conditional Probability3 marks
22 students study Spanish and 3 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 4Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 152 values. What cumulative frequency do you read across from to estimate the lower quartile?
- 5Reverse Percentages3 marks
A bill is £312 including VAT at 20%. Work out the amount before VAT.
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