If x and y are different integers and both are divisible by 7, which of the following is not necessarily true?

মানসিক দক্ষতা Analytical Abilities 07 Oct, 2020

প্রশ্ন If x and y are different integers and both are divisible by 7, which of the following is not necessarily true?

  • ক.
    x + y is divisible by 49
  • খ.
    x + y is divisible by 7
  • গ.
    x2 + y2 is divisible by 49
  • ঘ.
    x - y is divisible by 7

সঠিক উত্তর

x + y is divisible by 49

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Analytical Abilities