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498

Q:

$$ {(?)^{2}+(65)^{2}}=(160)^{2}- (90)^{2}-7191$$

  • 1
    75
  • 2
    77
  • 3
    79
  • 4
    81
  • 5
    None of these
  • Show Answer
  • Workspace

Answer : 5. "None of these"

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