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      Question

      What is the least number to be added to 7038 to make the

      resultant number a perfect square?
      A 20 Correct Answer Incorrect Answer
      B 18 Correct Answer Incorrect Answer
      C 12 Correct Answer Incorrect Answer
      D 23 Correct Answer Incorrect Answer

      Solution

      The number 7038 lies between 83² and 84². So if we add 18 to the number 7038, we get a perfect square, i.e. we get a perfect square, i.e. 84² = 7056, i.e. 7038 + 18 = 7056 = 84².

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