UPSC CDS 2 2018 Math Paper

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Question : 87 of 100

Marks: +1, -0

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

[2018 CDS-II]

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

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