Which of the following statements with regard to contract is not correct?

The acceptance should be made in the manner prescribed in the proposal. But a departure from that manner does not itself invalidate the acceptance. A duty is cast on the offerer to reject such acceptance within reasonable time and if he fails to do so, the contract is clinched on him and he becomes bound by the acceptance

An acceptance containing additions, limitations or other modifications shall amount to rejection of the offer and shall constitute a counter offer

It is not open to an offeror to stipulate against an unwilling offeree that latter's silence will be regarded as equivalent to acceptance. He cannot force him to take a positive course of action under penalty of being contractually bound if he does not

An offerer would not be bound by a contract, if the letter of acceptance posted by the offeree is lost in transit and thus is not received by the offerer