Daily Practice · Higher

Daily Practice - Higher

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

17th June 2009

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

1
Conditional Probability3 marks
12 students study Spanish and 4 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Cumulative Frequency2 marks
Four classes in order have frequencies 3, 9, 7, 12. Write down the cumulative frequency at the end of the third class.
3
Reverse Percentages3 marks
A bill is £360 including VAT at 20%. Work out the amount before VAT.
4
Solving Quadratics3 marks
Solve x^2 + x - 2 = 0.
5
Speed and Density2 marks
A block has volume 110 cm^3 and density 7.5 g/cm^3. Work out its mass.

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