Read the two statements carefully to mark the correct option out of the options given below.
Statement – 1: The mass number of a nucleus is always less than its atomic number
Statement – 2: Mass number of a nucleus may be equal to its atomic number.

If both the statements are true and the Statement-2 is the correct explanation Statement-1
 

If both the statements are true but Statement-2 is not the correct explanation of the Statement – 1

If Statement- 1 true but Statement-2 is false

If Statement- 1 is false but Statement-2 is true