Daily Practice · Higher

Daily Practice - Higher

19th October 1991

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

1
Circle Theorems2 marks
A, B and C are points on a circle with centre O. Angle AOC is 172°. Work out angle ABC, where B is on the major arc.
2
Venn Diagrams3 marks
In a Venn diagram, 15 are in A only, 14 in B only, 12 in both and 5 in neither. Work out the probability a random one is in both.
3
Box Plots2 marks
A box plot has minimum 7, lower quartile 9, median 19, upper quartile 25 and maximum 29. Work out the interquartile range.
4
The Product Rule for Counting3 marks
A code is 2 letters (A to Z) followed by 2 digits (0 to 9), and repeats are allowed. How many codes are possible?
5
Expanding and Factorising Quadratics2 marks
Factorise x^2 - 100.

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