Daily Practice

Higher

14th August 1989

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

1
Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 180 values. What cumulative frequency do you read across from to estimate the lower quartile?
2
Fractional and Negative Indices3 marks
Work out 27^(2/3).
3
Expanding Triple Brackets3 marks
Expand and simplify (x - 1)(x - 2)(x - 2).
4
Repeated Percentage Change3 marks
A price rises by 10% and then falls by 10%. Work out the overall percentage change, to 2 decimal places.
5
Pythagoras2 marks
A right-angled triangle has a hypotenuse of 15 cm and one shorter side of 12 cm. Work out the other shorter side.

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