200\(^o\)
100\(^o\)
120\(^o\)
90\(^o\)
Correct answer is B
2x = 3x - 50 alternate angle
50\(^o\) = 3x - 2x
50\(^o\) = x
< NPQ = (3x - 50)\(^o\)
= 3(500)\(^o\) - 50
= 150 - 50 = 100\(^o\)
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