Daily Practice · Higher

Daily Practice - Higher

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

14th May 2006

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

1
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 7, y = 12. Work out y when x = 4.
2
Vectors3 marks
a is the column vector (-1, 0) and b is (-6, 1). Work out 5a - 3b as a column vector.
3
Probability Trees3 marks
6 of 8 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Box Plots2 marks
A box plot has a minimum of 5 and a maximum of 48. Work out the range.
5
The Product Rule for Counting2 marks
A meal deal has 7 mains, 5 sides and 3 drinks. How many different meals are possible?

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