1.

A, B and C agree to pay their total telephone bill in the proportion 3 ∶ 5 ∶ 7. A pays the first month's bill of Rs.400, B pays the second month's bill of Rs.560 and C pays the third day's bill of Rs.840. How much amount (in Rs) should B pay to settle the accounts?

A. 20
B. 50
C. 30
D. 40
Answer» E.


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