If a positive integer n, divided by 5 has a remainder 2, which of the following must be true?
I n is odd
Il n + 1 cannot be a prime number
III (n+2) divided by 7 has remainder 2
A. None
B. I only
C. I and II only
D. II and III only
E. I, II and III
সঠিক উত্তরঃ
A.
None
Explanation:
সবগুলোই মিথ্যা হয়ে যায় n= 12হলো। Answer: None of These
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