The average of 13 papers is 40. The average of the first 7 papers is 4 – McqOptions

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1.	The average of 13 papers is 40. The average of the first 7 papers is 42 and of the last seven papers is 35. Find the marks obtained in the 7th paper?
A.	38
B.	23
C.	None of these
D.	19
Answer» E.

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