Daily Practice
Higher
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27th March 1974
- 1Speed and Density2 marks
A block has volume 120 cm^3 and density 2.5 g/cm^3. Work out its mass.
- 2SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 19 cm and an angle of 44°. Work out the side adjacent to that angle, to 1 decimal place.
- 3Probability Trees3 marks
1 of 5 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 12, 12, 3, 6. Write down the cumulative frequency at the end of the third class.
- 5Fractional and Negative Indices2 marks
Write 2^-2 as a fraction.
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