If the average (arithmetic mean) of 5, 9, k, and m is 12, what is the average of k+7 and m-3?
ক) 14
খ) 38
গ) 19
ঘ) 21
Related Questions
ক) 83.33
খ) 84.66
গ) 83
ঘ) 87.66
ক) 21
খ) 84
গ) 24
ঘ) None of these
জব সলুশন