Latest KVPY Aptitude Question SOLUTION: Let S = {1, 2, 3, …..,n} and A = {(a, b) |1< a, b < n} = S x S. A subset B of A is said to be a good subset if (x, x) ∈ B for every x ∈ S. Then the number of good subsets of

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(#M40026983) KVPY question Mental Ability Keep an EYE

Let S = {1, 2, 3, …..,n} and A = {(a, b) |1< a, b < n} = S x S. A subset B of A is said to be a good subset if
(x, x) ∈ B for every x ∈ S. Then the number of good subsets of A is

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