Daily Practice · Higher

Daily Practice - Higher

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

25th December 1999

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

1
Probability Trees3 marks
1 of 6 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 7, median 10, upper quartile 15 and maximum 20. Work out the interquartile range.
3
The Product Rule for Counting2 marks
A meal deal has 6 mains, 6 sides and 3 drinks. How many different meals are possible?
4
Factorising Harder Quadratics3 marks
Factorise 6x^2 + 23x + 20.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 4, y = 48. Work out y when x = 5.

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