The average of 20 results is 65 and the average of other 65 results is 20 . what is the average of all the results? Choose the most appropriate option.
A) 30
B) 25
C) 48
D) 50
E) None
Answer   Sum of 85 result = sum of 20 result + sum of 65 result.   = 20 x 65 + 65 x 20   = 2600   Correct Option: 30
<result>A</result>
The average of 20 results is 65 and the average of other 65 results is 20 . what is the average of all the results?