30 परिणामों का औसत 20 है तथा द� – McqOptions

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1.	30 परिणामों का औसत 20 है तथा दूसरे 20 परिणामों का औसत 30 है सभी परिणामों का औसत क्या है ?
A.	12
B.	24
C.	35
D.	67
Answer» C. 35

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