Daily Practice

Higher

16th August 1980

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

1
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 5, y = 225. Work out y when x = 6.
2
Congruent Triangles2 marks
Two triangles are known to be congruent because two angles and a corresponding side outside them are equal. Which congruence condition is this?
3
Conditional Probability3 marks
28 students study Spanish and 12 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
4
Box Plots2 marks
A box plot has minimum 15, lower quartile 19, median 23, upper quartile 28 and maximum 31. Work out the interquartile range.
5
The Product Rule for Counting3 marks
A code is 3 letters (A to Z) followed by 4 digits (0 to 9), and repeats are allowed. How many codes are possible?

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