question_answer

If the mean of m, 3n and 2t is same as the mean of 3m, 2t and s, then which one of the following is correct?

A)  \[2m\text{ }+\text{ }s\text{ }=\text{ }2n\]

B)  \[m\text{ }+\text{ }2s\text{ }=\text{ }3n\]

C)  \[2m\text{ }+\text{ }s=3n~\] 

D)  \[m\text{ }+\text{ }s\text{ }=\text{ }2n\]

E)  None of these