Daily Practice

Higher

27th December 1986

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

1
Conditional Probability3 marks
19 students study Spanish and 7 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Box Plots2 marks
A box plot has minimum 9, lower quartile 12, median 20, upper quartile 30 and maximum 32. Work out the interquartile range.
3
Bounds2 marks
A mass is 38 kg, correct to the nearest whole number. Write down the lower bound.
4
Solving Quadratics3 marks
Solve x^2 - 6x - 16 = 0.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 3, y = 72. Work out y when x = 5.

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