Chapter 4 Self-test questions

. How will an offer for a unilateral contract normally be accepted?

By making a promise to the offeror.

By carrying out the act specified by the offeror.

By replying to the offeror with a letter confirming acceptance.

Automatically.

. In which of the following circumstances can a unilateral contract be formed?

O asks A to look after his cat.

O tells A that he must look after his cat.

O promises A that he will pay A £50 if A looks after his cat.

O pays A £50, then asks A to look after his cat.

. The advertisement in Carlill v Carbolic Smoke Ball Co is best characterised as what?

An offer.

An acceptance.

An invitation to treat.

'Mere puff.'

. What is the relevance of motive when accepting a unilateral offer?

It is relevant: A must be solely motivated by the offer when performing the act of acceptance.

It is relevant: if A is motivated by the offer, A cannot accept it.

It is not relevant: even if A does not know that the offer exists, A may accept without being motivated by the offer.

It is not relevant: provided A knows that the offer exists, A may accept without being motivated by the offer.

. For unilateral contracts, what point in time is the latest at which A must know the offer exists, to be able to accept it?

As soon as O publishes the offer.

Before A begins to perform the contract.

After A begins to perform, but before performance is complete.

After performance is complete.

. According to Denning LJ, why was the late father's widow in Errington v Errington unable to take possession of the house?

The couple had completed performance, so the contract was concluded.

There was an implied promise by the father not to revoke his offer once the couple had commenced performance.

There was an express promise by the father not to revoke his offer once the couple had commenced performance.

The widow did not make the offer. Therefore, she was unable to revoke it and take possession.

. For unilateral contracts, in which of the following circumstances will communication of acceptance be required?

O requests that acceptance be communicated.

O makes an offer to the public.

Unilateral contracts never require acceptance to be communicated.

Only where A chooses to communicate acceptance.

. How might an offer of a reward for information be accepted?

A promises to O that he will communicate the information.

A writes a note to O confirming that he accepts the offer.

A communicates the information to the relevant party.

A obtains the information, but does not communicate it to the relevant party.

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