Which is the odd number: A) 7, B) 11, C) 13, D) 15
Question 1
Q1. Which is the odd number: A) 7, B) 11, C) 13, D) 15
Answer: 15
Explanation: 7, 11, and 13 are prime numbers, while 15 is not prime (divisible by 3 and 5), making it the odd one.