Daily Practice

Higher

25th November 1967

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

1
Conditional Probability3 marks
14 students study Spanish and 10 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 3, lower quartile 8, median 11, upper quartile 15 and maximum 23. Work out the interquartile range.
3
Reverse Percentages3 marks
A bill is £528 including VAT at 20%. Work out the amount before VAT.
4
Drawing Quadratic Graphs2 marks
For the curve y = x^2 - 8x - 2, work out y when x = -2.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 20. Work out y when x = 9.

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