Daily Practice
Higher
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20th September 1970
- 1Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 3, y = 10. Work out y when x = 2.
- 2Spheres and Cones3 marks
A sphere has radius 15 cm. Work out its volume, leaving your answer in terms of pi.
- 3Probability Trees3 marks
7 of 9 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 2 and a maximum of 19. Work out the range.
- 5Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.555... as a fraction in its simplest form.
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