Daily Practice

Higher

23rd August 1965

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

1
Repeated Percentage Change3 marks
A price rises by 25% and then falls by 15%. Work out the overall percentage change, to 2 decimal places.
2
Congruent Triangles2 marks
Two triangles are known to be congruent because two angles and the side between them are equal in both. Which congruence condition is this?
3
Conditional Probability3 marks
18 students study Spanish and 11 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 176 values. What cumulative frequency do you read across from to estimate the lower quartile?
5
Standard Form3 marks
Work out (45 x 10^12) / (9 x 10^3). Give your answer in standard form.

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