Question

If a and b are any two natural numbers
(b>a) then the number of Natural
numbers between them a and b are​

Answer 1

Answer:

 If (a+b) is even then either both a and b will be even or both will be odd at the same time because the sum of an even number and an odd number is always odd. We know that the difference of two even numbers or two odd numbers is always even so, b-a or a-b would also be even.