CTET Solved Paper - UPTET Feburary 2016

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76. If the numerator of a fraction is decreased by 20% and its denominator is increased by 10%, then fraction will be 16/55. The fraction is

  • Option : A
  • Explanation : Let the proper fraction is x/y.
    Then (x - 20% of x)/(y + 10% of y)= 16/55.
    ⇒ (80 X x)/(110 X y) = 16/55.
    ⇒ x/y = 16/55 X 110/80 = 2/5.
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80. The nature of Mathematics is

  • Option : B
  • Explanation : Mathematics relies on both logic and creativity and it is pursued both for a variety of practical purposes and for its intrinsic interests.
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