defence exam Indian Coast Guard Assistant Commandant (GD/CPL) 2025 Test Series Quantitative Aptitude Mensuration Plane Figures
An equilateral triangle ABC is inscribed in a circle with centre O. D is a point on the minor arc BC and ∠CBD = 40º. Find the measure of ∠BCD.
1
40º
2
30º
3
50º
4
20º