Questions are followed by two statements A and B
A group of 49 consumers were offered a chance to subscribe to 3 magazines: A, B and C. 38 of the consumers subscribed to atleast one of the magazines. How many of the 49 consumers subscribed to exactly two of the magazines ?
A: 12 of the 49 consumers subscribed to all the three magazines.
B: 20 of the 49 consumers subscribed to magazine A.