Daily Practice

Higher

6th April 1987

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Repeated Percentage Change3 marks
A price rises by 20% and then falls by 10%. Work out the overall percentage change, to 2 decimal places.
2
Sector Areas and Arc Lengths3 marks
A sector of a circle has radius 6 cm and angle 60°. Work out its area, to 1 decimal place.
3
Conditional Probability3 marks
28 students study Spanish and 12 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
4
Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 160 values. What cumulative frequency do you read across from to estimate the lower quartile?
5
Standard Form2 marks
Work out (8 x 10^5) x (6 x 10^3). Give your answer in standard form.

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