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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Rahul kumar
Answer: 140 The two possible plunge direction of the line pitches 30° on plane S60E/50°S are 140 and 282 as shown in the attached stereonet (dots on the plane is representing line which pitches 30° in that plane). In the options only 140 is given so the correct answer would be 140.