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Question
The mean of 100 items was 46. Later on it was discovered that an item 16 was misread as 61 and another item 43 was misread as 34. It was also found that the number of item was 90 and not 100. Then what is the correct mean ?
Options:
A .  50
B .  50.7
C .  52
D .  52.7
Answer: Option B

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