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UPSC Civil Service Exam Questions - Engineering

Q1:

A line of true length 500 m when measured by a 20 m tape is reported to be 502 m long. The correct length of the tape is

A 19.92 m

B 20.08 m

C 20.80 m

D 21 m

ANS:B - 20.08 m

It measures more than the actual length. Only possible when the tape is short.