Question

the number of whole numbers from a to b, where a < b is b-a-1 ?​

Answer 1

The number of natural numbers from a<b is

$\underline{\pink{ b - a + 1 }}$

Therefore.,

$\bold{Option \: \green { ( b ) } \: is \: correct.}$

Example:

The number of natural numbers from '20' to '145', is = 145 - 20 + 1

= 125 + 1

= 126