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Q 1669601515.     Let A and B  be finite non-empty sets with the
number of elements in A= m and number of
elements in B = n . Let m > n. If for some integer
k ge 1, the number of non-empty subsets of
A= 2^k + the number of non-empty subsets of B,
then which one of the following is correct?

CDS 2015 Paper-1
A

m=n+2

B

m=n+1

C

m = n + p, for some odd prime number p

D

m = n + t, for some composite number t

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