4. Choose the correct answer IV

1. In Fig., if \(OP||RS\), \(∠OPQ = 110^°\) and \(∠QRS = 130^°\), then \(∠ PQR\) is equal to
 
YCIND_240306_6084_lines and angles_8.png
 
2. Angles of a triangle are in the ratio \(2:4:3\). The smallest angle of the triangle is
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