Daily Practice

Higher

21st September 1977

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

1
Conditional Probability3 marks
12 students study Spanish and 5 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 5, 3, 9, 9. Write down the cumulative frequency at the end of the third class.
3
Fractional and Negative Indices3 marks
Work out 16^(3/2).
4
Quadratic Formula3 marks
Use the quadratic formula to solve 2x^2 - 12x - 7 = 0, to 2 decimal places.
5
Speed and Density2 marks
A block has volume 50 cm^3 and density 4 g/cm^3. Work out its mass.

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