In cases of general offer, for a valid contract :
a) the acceptor need not have the knowledge of the offer
b) the acceptor must have the knowledge of the offer before acceptance by performance
c) the acceptor may acquire the knowledge of the offer after the performance of the condition for acceptance
d) knowledge does not matter so long as the condition is performed with or without knowledge
Answer: (b) the accept or must have the knowledge of the offer before acceptance by performance