Chitika

Friday, 3 January 2014

Ques 39-II-D-13

39. A graph is non-planar if and only if it contains a subgraph homomorphic to 
(A) K3,2 or K5       
(B) K3,3 and K6 
(C) K3,3 or K5     
(D) K2,3 and K5

 ANS-(C)
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