Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
9th September 2006
- 1Reverse Percentages3 marks
A bill is £936 including VAT at 20%. Work out the amount before VAT.
- 2Inequalities on Graphs3 marks
Does the point (-3, 4) satisfy y > 2x + 4?
- 3Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 36. Work out y when x = 5.
- 4Congruent Triangles2 marks
Two triangles are known to be congruent because both are right-angled with equal hypotenuses and one other equal side. Which congruence condition is this?
- 5Conditional Probability3 marks
23 students study Spanish and 12 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
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