Higher
10th April 1985
- 1Speed and Density2 marks
A block has volume 45 cm^3 and density 7.5 g/cm^3. Work out its mass.
- 2SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 18 cm and an angle of 47°. Work out the side opposite that angle, to 1 decimal place.
- 3Probability Trees3 marks
1 of 6 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
- 4Cumulative Frequency2 marks
Four classes in order have frequencies 9, 6, 5, 11. Write down the cumulative frequency at the end of the third class.
- 5Standard Form2 marks
Work out (2 x 10^3) x (3 x 10^4). Give your answer in standard form.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of April 1985, including the monthly compilation PDF.