Higher
27th October 1971
- 1Speed and Density2 marks
A block has volume 125 cm^3 and density 8 g/cm^3. Work out its mass.
- 2Congruent Triangles2 marks
Two triangles are known to be congruent because two sides and the INCLUDED angle are equal in both. Which congruence condition is this?
- 3Conditional Probability3 marks
27 students study Spanish and 12 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 4Cumulative Frequency2 marks
Four classes in order have frequencies 3, 10, 11, 9. Write down the cumulative frequency at the end of the third class.
- 5Fractional and Negative Indices3 marks
Work out 125^(2/3).
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