15संख्याओं का औसत 18 है प्रथम – McqOptions

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1.	15संख्याओं का औसत 18 है प्रथम 8 का औसत 19 एवं अंतिम 8 का औसत 17 है, तो 8वीं संख्या क्या है - [
A.	10
B.	16
C.	41
D.	18
Answer» E.

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