Daily Practice · Higher

Daily Practice - Higher

Grades 6-7 - Higher-tier method and manipulation.

10th December 2009

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

1
Reverse Percentages3 marks
A bill is £360 including VAT at 20%. Work out the amount before VAT.
2
Solving Quadratics3 marks
Solve x^2 - 3x - 4 = 0.
3
Repeated Percentage Change3 marks
A town's population is 29500 and grows by 8% each year. Work out the population after 6 years, to the nearest whole number.
4
Perpendicular Lines and the equation of a tangent2 marks
A line has gradient 3. Work out the gradient of a line perpendicular to it.
5
Conditional Probability3 marks
21 students study Spanish and 7 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.

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