Daily Practice · Higher

Daily Practice - Higher

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

18th March 2007

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

1
Probability Trees3 marks
6 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 a minimum of 4 and a maximum of 26. Work out the range.
3
The Product Rule for Counting2 marks
A meal deal has 4 mains, 3 sides and 6 drinks. How many different meals are possible?
4
Factorising Harder Quadratics3 marks
Factorise 20x^2 + 9x - 18.
5
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 9, y = 40. Work out y when x = 10.

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