Daily Practice

Higher

13th December 1975

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

1
Conditional Probability3 marks
20 students study Spanish and 9 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 minimum 9, lower quartile 18, median 20, upper quartile 26 and maximum 29. Work out the interquartile range.
3
The Product Rule for Counting2 marks
A meal deal has 7 mains, 7 sides and 4 drinks. How many different meals are possible?
4
Solving Quadratics3 marks
Solve x^2 + 11x + 24 = 0.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 4, y = 80. Work out y when x = 7.

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