An offer need not be reasonable to be valid is a False statement.
An offer will be considered valid when it will be able to form a legal relationship, which requires that consideration be a two-way process and be done with the intention of getting the consent of the other party.
The complete question is attached
An offer must be expressed in language that is certain and devoid of all ambiguity to conclude a clear and fair deal. All the terms and conditions of an offer should be clearly communicated.
Therefore the statement is False as to persuade the other side that you are actually making an offer, you must be reasonable.
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