Answer these based on the figure which represents the flow of natural gas through pipelines across major cities A, B, C, D and (in suitable units).Assume, that supply equals demand.
Number of inputs at C = $$M+250$$
Total supply from C (outputs) = $$800+300=1100$$
Number of units demanded at C = $$225$$ units
Now, input - output = demand
=> $$M+250-1100=225$$
=> $$M=1075$$
=> Ans - (B)
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