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NIMCET 2013 Question Paper with solutions

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Question : 3

Total: 120

Find the number of elements in the union of 4 sets A. B. C and having 150,180,210 and 240 elements respectively, given that each pair of sets has 15 elements in common. Each triple of sets has 3 elements in common and
A ∩ B ∩ C ∩ D ≠ Φ

616
512
111
702

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