Question

A 20 m chain was found to be 0.05 m too long after chaining 1500 m. It was found to be 0.1 m too long after chaining 3000 m. If the chain was correct before the commencement of the work, find the true distance ​

Answer 1

Answer:

L = 20m L=20m

L' = 20+20.10 /2 =20.05m L' = 20.10 +20.18 / 2 =20.14 m

l1' = 2000m l2' = 2000m

l1 = 20.05 / 20 x 2000 = 2005 l2 = 20.14 / 20 x 2000 =2014

l = l1 + l2 = 2005 + 2014 = 4019m

ans is 4019 m

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