1.

On Indian Railways, the approximate weight of a rail section is determined from the formula

A. <img src="/_files/images/civil-engineering/railways/52-17-40-1.png">
B. <img src="/_files/images/civil-engineering/railways/52-17-40-2.png">
C. <img src="/_files/images/civil-engineering/railways/52-17-40-3.png">
D. <img src="/_files/images/civil-engineering/railways/52-17-40-4.png">
Answer» D. <img src="/_files/images/civil-engineering/railways/52-17-40-4.png">


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