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The mean of 25 observation is 36. Out of...

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

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

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

The mean of 53 observations is 36. Out of these observations, the mean of first 27 observations is 32 and that of the last 27 observations is 40. The 27th observation is

The mean of 25 observations is 36. If the mean of the first 13 observations is 32 and that of the last 13 observations is 39 then the 13^(th) observation is :

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

The mean of 9 observations is 36. If the mean of the first 5 observations is 32 and that of the last 5 observations is 39, then the fifth observation is

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The mean of 25 observations is 36. The mean of first 13 observations is 32 and that of last 13 observations is 39. What is the value of 13^(th) observation ?

Mean of 35 observations is 75 .The mean of first 18 observations is 70 and the mean of last 18 observations is 80 .Then the 18^(th ) observation is