The average of 13 results is 60. If the average of first 7 result i – McqOptions

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1.	The average of 13 results is 60. If the average of first 7 result is 59 and that of last 7 results is 61, What will be the seventh result?
A.	60
B.	30
C.	40
D.	10
Answer» B. 30

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