1.

If L is total length of a canal in kilometres, P is total perimeter of its lining in metres and C is the cost of lining per square metre, the additional expenditure involved on lining, is

A. 1000
B. <i>PLC</i>
C. <img src="/_files/images/civil-engineering/irrigation/18-15-65-2.png">
D. <img src="/_files/images/civil-engineering/irrigation/18-15-65-3.png">
E. <img src="/_files/images/civil-engineering/irrigation/18-15-65-4.png">
Answer» B. <i>PLC</i>


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