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      Question

      A student was supposed to find 2/9 of a number, but he

      mistakenly found 7/9 of it. His answer came out 150 more than the correct answer. What is the number?
      A 270 Correct Answer Incorrect Answer
      B 150 Correct Answer Incorrect Answer
      C 180 Correct Answer Incorrect Answer
      D 320 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      ATQ, Let the number = x Wrong answer โˆ’ Correct answer = 150 x ร— 7/9 โˆ’ x ร— 2/9 = 150 (7/9 โˆ’ 2/9) x = 150 (5/9) x = 150 x = 150 ร— 9 / 5 x = 30 ร— 9 = 270 So, the number = 270.

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