The average of 30 results is 20 and the average of other 20 results is 30. What is the average of all the results?

The average of 30 results is 20 and the average of other 20 results is

1.	The average of 30 results is 20 and the average of other 20 results is 30. What is the average of all the results?
A.	25
B.	50
C.	24
D.	48
Answer» D. 48

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The average of 30 results is 20 and the average of other 20 results is 30. What is the average of all the results?

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