1. A entered into a contract of partnership with B thinking that B was C, B and C being twin brothers. A had trust and confidence in C but not necessarily in B. Is the contract valid or voidable? Explain.

2. X, 12 years old, ate in a restaurant. Afterwards, X refuses to pay saying that he is still a minor and cannot give consent to a contract. Is X correct? Explain.

3. A and B into an oral contract of sale of a specific electric fan for $1,000. B makes a downpayment of $300 and A agrees to deliver the fan upon full payment. Is the contract unenforceable following the rule on Statute of Frauds? Explain.

4. In what form may a contract appear? State the general rule and exceptions.