In a Express Train passengers traveling in A.C. Sleeper Class, First Class and Sleeper Class are in the ratio 1:2:3, and fare to each class in the ratio 5:4:2. If the income from this train is Rs. 57000, the income of A.C. Sleeper Class is

In a Express Train passengers traveling in A.C. Sleeper Class, First C

1.	In a Express Train passengers traveling in A.C. Sleeper Class, First Class and Sleeper Class are in the ratio 1:2:3, and fare to each class in the ratio 5:4:2. If the income from this train is Rs. 57000, the income of A.C. Sleeper Class is
A.	Rs. 8000
B.	Rs. 12000
C.	Rs. 15000
D.	Rs. 6000
Answer» D. Rs. 6000