In a village the average age of n people is 42 years. But after the – McqOptions

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1.	In a village the average age of n people is 42 years. But after the verification it was found that the age of a person had been considered 20 years less than the actual age, so the new average, after
A.	21
B.	20
C.	22
D.	None of these
Answer» C. 22

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