Daily Practice

Higher

21st October 1961

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 minimum 9, lower quartile 18, median 28, upper quartile 33 and maximum 42. Work out the interquartile range.
3
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.888... as a fraction in its simplest form.
4
Equation of a Line3 marks
A line has gradient -3 and passes through (5, -16). Work out its equation.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 6, y = 144. Work out y when x = 8.

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