Daily Practice · Higher

Daily Practice - Higher

Grades 6-7 - Higher-tier method and manipulation.

12th December 2011

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
The Product Rule for Counting3 marks
A code is 3 letters (A to Z) followed by 3 digits (0 to 9), and repeats are allowed. How many codes are possible?
2
Inequalities on Graphs3 marks
Does the point (1, -4) satisfy y > -x + 5?
3
Repeated Percentage Change3 marks
A price rises by 15% and then falls by 25%. Work out the overall percentage change, to 2 decimal places.
4
Congruent Triangles2 marks
Two triangles are known to be congruent because two pairs of sides and the angle between them are equal. Which congruence condition is this?
5
Conditional Probability3 marks
24 students study Spanish and 8 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.

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