Daily Practice
Higher
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13th February 1966
- 1Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 9, y = 30. Work out y when x = 5.
- 2Spheres and Cones3 marks
A sphere has radius 3 cm. Work out its volume, leaving your answer in terms of pi.
- 3Probability Trees3 marks
2 of 8 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
- 4Box Plots2 marks
A box plot has a minimum of 20 and a maximum of 34. Work out the range.
- 5Standard Form2 marks
Work out (6 x 10^3) x (9 x 10^-5). Give your answer in standard form.
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