Civil Engineering - UPSC Civil Service Exam Questions - Discussion
Discussion Forum : UPSC Civil Service Exam Questions - Section 23 (Q.No. 28)
28.
Length of line measured with a 20 m chain was found to be 634.4 m. If the chain was 5 cm too long, throughout the measurement, then the true length of the line is
Discussion:
4 comments Page 1 of 1.
Ajay Kumar Yadav said:
2 years ago
B is the correct answer.
(1)
Osama said:
4 years ago
Yeah, it must be C.
Here N.L = 20,
A.L = 20 + 0.5 = 20.5
C.L = 634.4,
M.L = (634.4/20.05)*20.
Here N.L = 20,
A.L = 20 + 0.5 = 20.5
C.L = 634.4,
M.L = (634.4/20.05)*20.
Sadashiva said:
8 years ago
True length = wrong lenth /correct length*measured lenth.
= [20.05/20]*634.40.
= 635.986m.
= [20.05/20]*634.40.
= 635.986m.
(3)
Chhaya said:
8 years ago
According to me, the Answer is c.
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