Higher
5th April 1978
- 1Speed and Density2 marks
A block has volume 90 cm^3 and density 2.5 g/cm^3. Work out its mass.
- 2Congruent Triangles2 marks
Two triangles are known to be congruent because two angles and the side between them are equal in both. Which congruence condition is this?
- 3Conditional Probability3 marks
18 students study Spanish and 9 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, 12, 12, 6. Write down the cumulative frequency at the end of the third class.
- 5Reverse Percentages3 marks
A bill is £888 including VAT at 20%. Work out the amount before VAT.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of April 1978, including the monthly compilation PDF.