SSC CGL 20161)The centroid of a triangle is the point where
the medians meet
SSC CGL 20162)In a triangle PQR, the side QR is extended to S. ∠QPR = 72° and ∠PRS = 110°, then the value of ∠PQR is:
38°
SSC CGL 20163)In ΔABC, ∠B = 70°and ∠C = 60°. The internal bisectors of the two smallest angles of ΔABC meet at O. The angle so formed at O is
125°