Daily Practice

Higher

11th June 1977

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

1
Probability Trees3 marks
4 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 minimum 7, lower quartile 10, median 16, upper quartile 23 and maximum 29. Work out the interquartile range.
3
Standard Form2 marks
Work out (9 x 10^7) x (9 x 10^5). Give your answer in standard form.
4
Equation of a Line3 marks
A line has gradient 5 and passes through (5, 34). Work out its equation.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 28. Work out y when x = 3.

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