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      Question

      What approximate value will come in place of the question

      mark (?) in the following question? (Note: You are not expected to calculate the exact value.) 341.98 + 228.09 - ? X 7.01 = 20.01 X √120
      A 10 Correct Answer Incorrect Answer
      B 32 Correct Answer Incorrect Answer
      C 75 Correct Answer Incorrect Answer
      D 50 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      ATQ,

      341.98 + 228.09 - ? X 7.01 = 20.01 X √120

      342 + 228 - ? X 7 ~ 20 X √121

      570 - ? X 7 ~ 20 X 11

      570 - ? X 7 ~ 220

      ? X 7 ~ 570 - 220

      ? ~ (350/7)

      ? ~ 50

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