Explanation:

- Voidable Agreement:

- A voidable agreement is legally valid and enforceable. However, it can be rejected by one party based on specific circumstances like misrepresentation or duress.

- It doesn’t apply to agreements made for illegal purposes.

- Illegal Agreement:

- An agreement to murder is a crime under the law. Thus, it is an illegal agreement.

- Illegal contracts are void and unenforceable from the start.

- Either (a) or (b):

- Suggests that the agreement could be voidable or illegal. This is incorrect because illegal agreements are never voidable.

- Both (a) and (b):

- Impossible, as an agreement cannot be both voidable and illegal.

- Correct Answer: Option 2 - Illegal Agreement

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