Daily Practice

Higher

17th February 1985

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

1
Probability Trees3 marks
3 of 5 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 8 and a maximum of 45. Work out the range.
3
Fractional and Negative Indices3 marks
Work out 27^(2/3).
4
Factorising Harder Quadratics3 marks
Factorise 6x^2 + 5x + 1.
5
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 2, y = 12. Work out y when x = 6.

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