Latest IIT-JEE Aptitude Question SOLUTION: Let S = {1, 2, 3, 4}. The total number of unordered pairs of disjoint subsets of S is equal to
option
a) 42
b) 41
c) 25
d) 34
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Kumar Purnendu
2 is not equal to 3 – not even for very large values of 2.