Explanation:

- Article 154: This article of the Indian Constitution states that the executive power of the state is vested in the Governor. This is the article you're looking for when discussing the executive powers of the Governor.

- Article 150: It deals with the form of accounts of the Union and of the States, not related to the Governor's powers.

- Article 157: This one specifies the qualifications for appointment as Governor, but not the executive powers.

- Article 156: It mentions the tenure of office of a Governor, explaining how a Governor holds office at the pleasure of the President.

Overall option 3, Article 154, is the correct one for the executive powers of the Governor.