Q. Find the odd number / letters / word from the given alternative:

  • (A) 13
  • (B) 17
  • (C) 23
  • (D) 23 D. 37
βœ… Correct Answer: (C) 23
Explanation: Each of the given numbers is a prime number. But the number obtained on reversing the digits of each of the numbers except 23, is also a prime number.
Explanation by: Ravi Shankar
Each of the given numbers is a prime number. But the number obtained on reversing the digits of each of the numbers except 23, is also a prime number.

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