Daily Practice

Higher

27th May 1991

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

1
Repeated Percentage Change3 marks
A price rises by 25% and then falls by 20%. Work out the overall percentage change, to 2 decimal places.
2
Congruent Triangles2 marks
Two triangles are known to be congruent because all three pairs of sides are equal. Which congruence condition is this?
3
Conditional Probability3 marks
17 students study Spanish and 8 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 72 values. What cumulative frequency do you read across from to estimate the lower quartile?
5
Fractional and Negative Indices2 marks
Write 6^-3 as a fraction.

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