Daily Practice

Higher

27th July 1974

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

1
Conditional Probability3 marks
12 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 10, lower quartile 13, median 19, upper quartile 24 and maximum 34. Work out the interquartile range.
3
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.1414... as a fraction in its simplest form.
4
Quadratic Formula3 marks
Use the quadratic formula to solve 2x^2 - 11x - 9 = 0, to 2 decimal places.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 6, y = 324. Work out y when x = 4.

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