Daily Practice

Higher

3rd July 1982

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

1
Probability Trees3 marks
2 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 15, lower quartile 17, median 24, upper quartile 29 and maximum 38. Work out the interquartile range.
3
Standard Form2 marks
Work out (9 x 10^4) x (9 x 10^6). Give your answer in standard form.
4
Factorising Harder Quadratics3 marks
Factorise 6x^2 - x - 1.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 4, y = 112. Work out y when x = 3.

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