Daily Practice

Higher

12th August 1979

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

1
Probability Trees3 marks
1 of 8 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 36. Work out the range.
3
Standard Form2 marks
Work out (3 x 10^4) x (2 x 10^2). Give your answer in standard form.
4
Factorising Harder Quadratics3 marks
Factorise 4x^2 - 25x + 25.
5
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 9, y = 5. Work out y when x = 5.

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