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Q: There are four numbers. Average of the first three is 15 and of last three is 16. If the last number is 19, find the first number.

  • 1
    16
    Correct
    Incorrect
  • 2
    20
    Correct
    Incorrect
  • 3
    19
    Correct
    Incorrect
  • 4
    None of these
    Correct
    Incorrect
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Answer : 1. "16"
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