1.

A={2,3,5,7,11,...89,97} B={4,6,8,10,12,...98,100} C={1,9,15,21,25,27,33...95,99} Any 10 elements of Set A are transferred to the Set B,then the average of Set B :

Answer»

(A) 52
(B) 49.87
(C) 55.46
(D) can't be determined

Answer :C


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