Daily Practice

Higher

14th October 1967

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Probability Trees3 marks
3 of 7 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 4, median 11, upper quartile 19 and maximum 26. Work out the interquartile range.
3
Fractional and Negative Indices3 marks
Work out 216^(2/3).
4
Factorising Harder Quadratics3 marks
Factorise 16x^2 + 16x - 5.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 5, y = 125. Work out y when x = 6.

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