Daily Practice · Higher

Daily Practice - Higher

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

22nd April 2006

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

1
Conditional Probability3 marks
15 students study Spanish and 5 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 5, lower quartile 13, median 21, upper quartile 31 and maximum 34. Work out the interquartile range.
3
The Product Rule for Counting2 marks
A meal deal has 8 mains, 6 sides and 4 drinks. How many different meals are possible?
4
Solving Quadratics3 marks
Solve x^2 + 13x + 36 = 0.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 4, y = 144. Work out y when x = 2.

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