Daily Practice

Higher

24th September 1989

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

1
Probability Trees3 marks
5 of 9 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 a minimum of 7 and a maximum of 62. Work out the range.
3
Standard Form2 marks
Work out (2 x 10^6) x (6 x 10^6). Give your answer in standard form.
4
Factorising Harder Quadratics3 marks
Factorise 9x^2 + 9x - 4.
5
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 6, y = 15. Work out y when x = 3.

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