Daily Practice

Higher

16th August 1969

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

1
Probability Trees3 marks
5 of 8 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 1, lower quartile 5, median 7, upper quartile 9 and maximum 14. Work out the interquartile range.
3
The Product Rule for Counting2 marks
A meal deal has 4 mains, 9 sides and 4 drinks. How many different meals are possible?
4
Factorising Harder Quadratics3 marks
Factorise 15x^2 + 14x - 8.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 6, y = 144. Work out y when x = 3.

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