1.

A={2,3,5,7,11,...89,97} B={4,6,8,10,12,...98,100} C={3,9,15,21, 27,33...99} If an element less than 50 belongs to Set A is transferred to Set B,then the average of Set B :

Answer»

increases
decreases
remains constant
can't be determind

Answer :B


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