Daily Practice

Higher

18th August 1986

5 questions · 11 marks · Grades 6-7 · 61 question types in this band

1
Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 204 values. What cumulative frequency do you read across from to estimate the lower quartile?
2
Standard Form2 marks
Work out (4 x 10^6) x (8 x 10^-4). Give your answer in standard form.
3
Expanding and Factorising Quadratics2 marks
Factorise x^2 - 16.
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
Circle Theorems2 marks
A, B and C are points on a circle with centre O. Angle AOC is 112°. Work out angle ABC, where B is on the major arc.

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