Higher
15th August 1962
- 1Speed and Density2 marks
A block has volume 10 cm^3 and density 4 g/cm^3. Work out its mass.
- 2Congruent Triangles2 marks
Two triangles are known to be congruent because both are right-angled with equal hypotenuses and one other equal side. Which congruence condition is this?
- 3Conditional Probability3 marks
24 students study Spanish and 8 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 8, 6, 4, 12. Write down the cumulative frequency at the end of the third class.
- 5Surds2 marks
Write sqrt(18) in the form a sqrt(b), where b is as small as possible.
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