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The mean of 15 observations is …

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The mean of 15 observations is 42 out of these observations if the mean of first 8 observations is 40 and that of last 8 observations is 44 find the 8th. observation?

Posted by Shubh Sarin 5 years, 3 months ago

CBSE > Class 09 > Mathematics

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Shubh Sarin 5 years, 2 months ago

Ok thanku

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