The average of A and B is 20 years. If C were to replace A, the average would be 19 and if C were to replace B, the Average would be 21. What are the ages of A, B and C ?

The average of A and B is 20 years. If C were to replace A, the averag

1.	The average of A and B is 20 years. If C were to replace A, the average would be 19 and if C were to replace B, the Average would be 21. What are the ages of A, B and C ?
A.	22, 18, 20
B.	18, 22, 20
C.	20, 22, 18
D.	18, 20, 22
Answer» D. 18, 20, 22

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The average of A and B is 20 years. If C were to replace A, the average would be 19 and if C were to replace B, the Average would be 21. What are the ages of A, B and C ?

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