Daily Practice · Higher

Daily Practice - Higher

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

19th January 2013

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 = 5, y = 100. Work out y when x = 6.
2
Perpendicular Lines and the equation of a tangent2 marks
A line has gradient 5. Work out the gradient of a line perpendicular to it.
3
Conditional Probability3 marks
13 students study Spanish and 7 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 10, lower quartile 14, median 19, upper quartile 28 and maximum 30. Work out the interquartile range.
5
The Product Rule for Counting2 marks
A meal deal has 5 mains, 9 sides and 3 drinks. How many different meals are possible?

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