Question 2 (c)
What is the HCF of two consecutive odd numbers?
HCF of two consecutive odd numbers is always 1. Example: HCF [3, 5] = 1 and HCF [7, 9] = 1
Question 2 (a)
What is the HCF of two consecutive numbers?
Question 2 (b)
What is the HCF of two consecutive even numbers?