The average per day income of A, B and C is 450. If the aver-age per day income of A and B be 400 and that of B and C be 430, the per day income of B is

The average per day income of A, B and C is 450. If the aver-age per

1.	The average per day income of A, B and C is 450. If the aver-age per day income of A and B be 400 and that of B and C be 430, the per day income of B is
A.	300
B.	310
C.	415
D.	425
Answer» C. 415

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The average per day income of A, B and C is 450. If the aver-age per day income of A and B be 400 and that of B and C be 430, the per day income of B is

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