1.

The mean of 31 results in 60 .If the mean of the first 16 is 58 and that of the last 16 is 62 what is the 16th result?How can I do this sum?

Answer»

The mean of 31 results in 60 .If the mean of the first 16 is 58 and that of the last 16 is 62 what is the 16th result?How can I do this sum?



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