Find the number of elements in the union of 4 sets A, B, C and D 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

Find the number of elements in the union of 4 sets A, B, C and D havin

1.	Find the number of elements in the union of 4 sets A, B, C and D 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
A.	616
B.	512
C.	111
D.	702
Answer» E.

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Find the number of elements in the union of 4 sets A, B, C and D 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

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