Question

Which pair of terms can be used to represent any two consecutive odd numbers?

x and x+ 1
x and x+2
x and 2x+ 1
2x and 2x+ 1

Answer 1

odd integers are 2 apart from each other (in between them is an even number)

x and x+2 is answer

Answer 2

x and x+2

Because the next consecutive odd number is 2 away from the nearest odd number.