Daily Practice · Higher

Daily Practice - Higher

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

28th February 2015

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

1
Probability Trees3 marks
2 of 9 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
2
Box Plots2 marks
A box plot has minimum 4, lower quartile 12, median 16, upper quartile 23 and maximum 28. Work out the interquartile range.
3
The Product Rule for Counting2 marks
A meal deal has 3 mains, 6 sides and 4 drinks. How many different meals are possible?
4
Equation of a Line3 marks
A line has gradient 4 and passes through (5, 11). Work out its equation.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 3, y = 81. Work out y when x = 9.

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