Daily Practice

Higher

14th December 1987

5 questions · 12 marks · Grades 6-7 · 61 question types in this band

1
Repeated Percentage Change3 marks
A price rises by 10% and then falls by 20%. Work out the overall percentage change, to 2 decimal places.
2
Perpendicular Lines and the equation of a tangent2 marks
A line has gradient 5. Work out the gradient of a line perpendicular to it.
3
Conditional Probability3 marks
27 students study Spanish and 7 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 212 values. What cumulative frequency do you read across from to estimate the lower quartile?
5
Bounds2 marks
A mass is 180 kg, correct to the nearest 10. Write down the lower bound.

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