railway RPF Constable Mock Test Series 2024 Quantitative Aptitude Geometry Circles, Chords and Tangents
O is the center of a circle and A is a point on a major arc BC of the circle. ∠BOC and ∠BAC are the angles made by the minor BC on the center and circumference, respectively. If ∠ABO = 40° and ∠ACO = 30°, then find ∠BOC.
1
130°
2
140°
3
120°
4
150°