Daily Practice

Higher

16th June 1968

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

1
Conditional Probability3 marks
15 students study Spanish and 8 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Box Plots2 marks
A box plot has a minimum of 20 and a maximum of 66. Work out the range.
3
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?
4
Solving Quadratics3 marks
Solve x^2 + 8x - 9 = 0.
5
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 4, y = 2. Work out y when x = 2.

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