Daily Practice

Higher

29th October 1955

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

1
Probability Trees3 marks
1 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 3, lower quartile 6, median 16, upper quartile 24 and maximum 31. Work out the interquartile range.
3
Standard Form3 marks
Work out (18 x 10^11) / (3 x 10^2). Give your answer in standard form.
4
Factorising Harder Quadratics3 marks
Factorise 8x^2 + 18x - 5.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 20. Work out y when x = 5.

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