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UPSC CDS Math Lines and Angles Questions

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Question : 3

Total: 16

If two lines AB and CD intersect at O such that ∠ AOC = 5 ∠ AOD, then the four angles at O are

40°, 40°, 140°, 140°
30°, 30°, 150°, 150°
30°, 45°, 75°, 210°
60°, 60°, 120°, 120°

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