Daily Practice

Higher

11th November 1989

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

1
Probability Trees3 marks
8 of 10 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 9, lower quartile 16, median 21, upper quartile 25 and maximum 34. Work out the interquartile range.
3
The Product Rule for Counting2 marks
A meal deal has 6 mains, 7 sides and 6 drinks. How many different meals are possible?
4
Factorising Harder Quadratics3 marks
Factorise 8x^2 - 10x + 3.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 16. Work out y when x = 7.

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