railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Geometry Triangles, Congruence and Similarity
Points A, D, C, B and E are concyclic, If ∠AEC = 50° and ∠ABD = 30°. then what is the measure (in degrees) of ∠CBD?
1
15
2
30
3
20
4
10