Daily Practice

Higher

7th January 1978

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

1
Conditional Probability3 marks
27 students study Spanish and 11 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 5, lower quartile 8, median 11, upper quartile 13 and maximum 18. Work out the interquartile range.
3
Reverse Percentages3 marks
A bill is £240 including VAT at 20%. Work out the amount before VAT.
4
Drawing Quadratic Graphs2 marks
For the curve y = x^2 - 2x + 12, work out y when x = 0.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 20. Work out y when x = 7.

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