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A perfect square is never of the form 4k + 2 or 4k + 3. Which number below is therefore NOT a perfect square?

Class 8Properties of Square NumbersSquares and Roots
  • A35
  • B36
  • C49
  • D64

Step-by-Step Solution

35 = , of the form , so it cannot be a perfect square. (36, 49, 64 are squares.)
Answer: A) 35

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