If a positive integer n, divided by 5 has a remainder 2, Which of the following must be true? I. n is odd II. n + 1 cannot be a prime number III. (n + 2) divided by 7 has remainder 2

07 Apr, 2025

প্রশ্ন If a positive integer n, divided by 5 has a remainder 2, Which of the following must be true? I. n is odd II. n + 1 cannot be a prime number III. (n + 2) divided by 7 has remainder 2

  • ক.
    II and III only
  • খ.
    I only
  • গ.
    I and II only
  • ঘ.
    None

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