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      Question

      In an election between two candidates 'A' and 'B', 20%

      of total votes were invalid. 'A' received 60% of the valid votes. If 'B' gets 19,200 valid votes, then find the total number of votes.
      A 40,000 Correct Answer Incorrect Answer
      B 48,000 Correct Answer Incorrect Answer
      C 50,000 Correct Answer Incorrect Answer
      D 60,000 Correct Answer Incorrect Answer

      Solution

      Let the total number of votes be '100n'

      Number of valid votes = 0.80 X 100n = '80n'

      Number of valid votes received by 'B' = 0.40 x 80n = '32n'

      So, 32n = 19,200

      Or, 'n' = 600

      Therefore, total number of votes = 600 x 100 = 60,000

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