Q: The average of 10 observations is 46. It was realised later that an observation was misread as 42 in place of 142. Find the correct average.
10 प्रेक्षणों का औसत 46 है। बाद में यह ज्ञात होता है कि एक प्रेक्षण को 142 के स्थान पर 42 पढ़ लिया गया था। सही औसत ज्ञात कीजिए।
A.
56
B.
45
C.
54
D.
65
Correct Answer:
Option A -
Explanations:
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