Daily Practice · Higher

Daily Practice - Higher

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

7th December 2002

5 questions · 12 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 = 6, y = 288. Work out y when x = 9.
2
Perpendicular Lines and the equation of a tangent2 marks
A line has gradient 2. Work out the gradient of a line perpendicular to it.
3
Conditional Probability3 marks
23 students study Spanish and 9 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 27, upper quartile 34 and maximum 40. Work out the interquartile range.
5
The Product Rule for Counting2 marks
A meal deal has 7 mains, 8 sides and 5 drinks. How many different meals are possible?

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