Identify the odd one: 2, 3, 5, 7, 11, 13, 17, 20A17B13C20D11Answer: C. 20 Read Explanation: All the numbers except one are prime numbers:2, 3, 5, 7, 11, 13, 17 → all prime20 → not a prime (it is divisible by 2, 4, 5, etc.)Answer: 20 Read more in App