Competitive Exam Trainer Practice or CET Practice aspires to be a personal subject, preparation and answering technique trainer for students appearing for competitive examinations.
Friday, January 16, 2015
Two circles of equal radius ' r ' cut orthogonally. If their centres are (2 , 3) and (5 , 6) , then r =
A)3
B)2
C)1
D)4
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