Two finite sets A and B have m and n elements respectively. If the total number of subsets of A is 112 more than the total number of subsets of B, then the value of m is

Two finite sets A and B have m and n elements respectively.

1.	Two finite sets A and B have m and n elements respectively. If the total number of subsets of A is 112 more than the total number of subsets of B, then the value of m is
A.	7
B.	9
C.	10
D.	12
Answer» B. 9

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