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UPSC Civil Service Exam Questions - Engineering

Q1:

The representative fraction means that the scale is 1 cm equal to

A 0.25 m

B 2.5 m

C 25 m

D 2.5 km

ANS:C - 25 m

1/2500 means 1cm = 2500cm.
Hence 1cm = 25 m.
RF = distance on map/distance on the ground.