151.If two interior angles on the same side of a transversal intersecting two parallel lines are in the ratio 2 : 3, then the smaller of two angles is:
72°
108°
54°
54°
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152.If the sum of two adjacent angles is 100° and one of them is 35°, then the other is:
70°
65°
135°
135°
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153.In figure, if m || n and ∠a : ∠b = 2 : 3, then measure of h is: