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Which of the following fraction is greater than 2/3 and less than 4/5 ?

  • A.1/2
  • B.9/10
  • C.3/4
  • D.5/6

Answer: C

Convert everything to decimals and compare.

\[ \frac{2}{3} = 0.667, \qquad \frac{4}{5} = 0.800 \]

  • \( \tfrac{1}{2} = 0.500 \) - too small
  • \( \tfrac{9}{10} = 0.900 \) - too large
  • \( \tfrac{5}{6} = 0.833 \) - too large
  • \( \tfrac{3}{4} = 0.750 \) - in range ✓

So \( \tfrac{3}{4} \) is the only one strictly between the two bounds.

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