Daily Practice

Higher

17th April 1983

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

1
Probability Trees3 marks
2 of 6 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 23. Work out the range.
3
Standard Form3 marks
Work out (32 x 10^6) / (8 x 10^5). Give your answer in standard form.
4
Factorising Harder Quadratics3 marks
Factorise 10x^2 + 9x - 9.
5
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 5, y = 36. Work out y when x = 6.

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