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Option 3 : 148°25'

Concept:

The whole circle bearing of any line is its deviation measured in the clockwise direction from the north end reference.

Important table for conversion of a whole bearing reading to the quadrantal bearing is given below:

Sr No.

Whole Circle Bearing

(WCB)

Quadrantal Bearing (QB)

Quadrant

1

0° to 90°

WCB

NE

2

90° to 180°

180° - WCB

SE

3

180° to 270°

WCB – 180°

SW

4

270° - 360°

360° - WCB

NW

Calculation:

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∴ WCB = 180° 00' - 31° 35' = 148° 25' 

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