Daily Practice

Higher

11th October 1987

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

1
Conditional Probability3 marks
26 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 a minimum of 20 and a maximum of 71. Work out the range.
3
Reverse Percentages3 marks
A bill is £480 including VAT at 20%. Work out the amount before VAT.
4
Solving Quadratics3 marks
Solve x^2 + 10x + 25 = 0.
5
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 7, y = 6. Work out y when x = 3.

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