The mean of 9 observations is 16. If a tenth value is added, the mean of 10 values is 17. find the tenth value

The mean of 5 observations is 3 and if one more observation is added, the mean becomes 3 . 5. Find out the value of new observation .

The mean of 10 observation is 15. If one observation 15 is added, then find the new mean.

The mean of 9 numbers is 10. If one more number is added, the mean remains as 10. Find the number which is added.

The mean of 9 observations is 15 .If one more observation is added to the series,the mean becomes 16 .The value of 10 th observation is

The mean of 10 observations is 15. If one observation 15 is added, then the new mean is 16 (b) 11 10 (d) 15

Mean of 15 observations is 200. If one observation is excluded, the mean of remaining observations is 198.Find the value of the excluded observation.

Mean of 15 observations is 200. If one observation is excluded, the mean of remaining observations is 198.Find the value of the excluded observation.

if the mean of 6,8,9 x,13,is 10, find the value of x.