The average of 30 results is 20 and the average of other 20 results is 30 . what is the average of all the results?
Pick one:
A) 24	B) 25	C) 48	D) 50	E) None
Answer   Sum of 50 result = sum of 30 result + sum of 20 result.   = 30 x 20 + 20 x 30   = 1200   Correct Option: 24
<result>A</result>
The average of 30 results is 20 and the average of other 20 results is 30 . what is the average of all the results?