Three questions about law, i have no idea.

Aehared mistake occurs when one of the parties has discussed the mistake with the other party. both parties are mistaken but for different reasons. both of the parties dismiss the mistake with someone outside of the contract. both parties are mistaken for the same reason. one of the parties is mistaken. Which of the following situations does not contain a mistake that a court would review? O Both parties do not know the subject of the contract has been destroyed. O Both parties use the term "COB" but have different definitions and the term is used to determine deadlines. O Both parties do not know that the property to be sold is already owned by the buyer. A person sold a valuable antique for little money. O Both parties meant to have the property sold for $1000 but a typo made the price $1.Which of the following statements is incorrect? O Innocent third-party rights bar the right to have a contract declared voidable. O It is difficult to have a contract set aside for a mistake. If the subject matter of a contract does not exist when the contract is made, the contract will be declared void. O If the subject matter of a contract exists but its qualities are radically different from those contemplated by the parties, the contract will be declared void. O The rules of interpretation as well as the law of mistake solve mistakes about the meanings of words used in contracts