Q. In a given circle, AB is the diameter with the center at O. A point ‘D’ is marked on the circumference of the circle. What is the measure of ∠ABD? A: A point C is taken on the diameter AB such that triangle CBD is an isosceles triangle and measure of one of its equal angles is 40°.B: The measure of ∠ODA = 50o.This is a question from CAREER LAUNCHER mock cat test.please explain this question to me.The question given below is followed by two statements, A and B. Answer the question using the following instructions:Mark (a) if the question can be answered by one of the statements alone, but cannot be answered by using the other statement alone.Mark (b) if the question can be answered by using either statement alone.Mark (c) if the question can be answered by using both the statements together, but cannot be answered by using either statement alone.Mark (d) if the question cannot be answered even by using both statements together.

1) A
2) B
3) C
4) D