Math, asked by TANU81, 1 year ago

The mean of 25 observation is 36.Out of these observations ,the mean of first 13 observations is 32 and that of the last 13 observations is 40 .Find the 13th observation.

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Answered by Argon288

3

That is how it is done

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Answered by rahman786khalilu

4

Hope it helps .................

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