Daily Practice

Higher

4th March 1973

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

1
Probability Trees3 marks
2 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 5 and a maximum of 58. Work out the range.
3
Standard Form3 marks
Work out (72 x 10^10) / (9 x 10^5). Give your answer in standard form.
4
Factorising Harder Quadratics3 marks
Factorise 12x^2 + 23x + 5.
5
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 7, y = 12. Work out y when x = 4.

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