If the government wants to ensure that all routes from S to T get the same amount of traffic, then a feasible set of toll charged (in rupees) at junctions A, B, C, and D respectively to achieve this goal is:
Explanation:
Since the cost of travel including toll on all routes is the same.
∴ 14 + a = 7 + b + c = 13 + d = 9 + a + b = 10 + c + d
∴ b = 5, d = 2, c = 3 and a = 1
Hence, option (d).
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