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Q: A student multiplied a number by 2/5 instead of 5/2. What is the percentage error in evaluation ?

  • 1
    52%
  • 2
    64%
  • 3
    84%
  • 4
    77%
  • Show Answer
  • Workspace

Answer : 3. "84%"
Explanation :

Answer: C) 84% Explanation: Let the number be 'x'   Then, according to the given data,  52x-25x52xx100   = 2125x100   = 84%

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