Daily Practice

Higher

4th November 1987

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

1
Conditional Probability3 marks
24 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 11, 6, 4, 12. 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 4x^2 + 11x - 9 = 0, to 2 decimal places.
5
Speed and Density2 marks
A block has volume 150 cm^3 and density 3 g/cm^3. Work out its mass.

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