UPSC Civil Service Exam Questions

Q1: A and B are two traverse stations free from local attraction errors. If the true bearing of a line AB is 89°, and the magnetic declination at point A is 1° West, then the magnetic bearing of the line BA would be

A 88°

B 90°

C 268°

D 270°

ANS:B - 90°

270° is the right answer, as it is asking for MB of line BA and not AB.



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