问答题
In relation to contract law, explain the following:
问答题
(a) (i) Void contracts; (2 marks)
(ii) Voidable contracts; and (2 marks)
(iii) Unenforceable contracts. (2 marks)
【正确答案】

【答案解析】
问答题
(b) Past consideration is not valid consideration. (4 marks)