SSC Government Jobs Exams Numerical Ability Geometry

A, B, C are three points on a
circle with centre O. If ∠AOB = 90º and ∠BOC = 120º,
then ∠ABC is

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SSC Other Question

If one angle of a cyclic trapezium is triple the other,
then the greater one measures :
(a) 90º (b) 105º (c) 120º (d) 135º The bisectors of any two adjacent angles of a
parallelogram intersect at-
(a) 30° (b) 45°
(c) 60° (d) 90°