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The mean of 10 observations is …

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The mean of 10 observations is 20. The mean of 1st six observation is 18 and last observation is 21. The fifth observation is 12. Find the sixth observation.

Posted by Minakshi Mangla 5 years, 4 months ago

CBSE > Class 09 > Mathematics

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Posted by Suraj Yadav 2 days, 8 hours ago

CBSE > Class 09 > Mathematics