With reference to the comparison between the office of President and Vice-President, consider the following statements:
1. The qualification required to be elected to the office of Vice-President is exactly the same as that of President.
2. The oath or affirmation of the Vice-President is different from that of President.
3. Though there is specific term of office for the President, there is no term mentioned for the Vice-President.
4. While formal impeachment process is required for the removal of President, no such requirement is mandatory for Vice-President.
How many statements given above are correct?