Regarding the office of the Lok Sabha Speaker, consider the following statements:

1. He/She holds the office during the pleasure of the President.

2. He/She need not be a member of the House at the time of his/her election but has to become a member of the House within six months from the date of his/her election.

3. If he/she intends to resign, the letter of his/her resignation has to be addressed to the Deputy Speaker.  

Which of the statements given above is/are correct?