Which one of the following may be the central angle of minor arc.

Sum of the angles of cyclic quadrilateral is

ABCD is a cyclic quadrilateral ∠A : ∠C = 3 : 2 ∠B : ∠D = 4 : 1 then ∠D =

In the adjoining figure, ∠AOC = 110^o, then ∠ABC =                 

In the adjoining figure, PQ = PR and ∠PRQ = 70^o.Then ∠QAR =

The number of circle passing through three non - collinear points =

In the following figure ABCD is a cyclic quadrilateral in which AC and BD are its diagonals.If ∠DBC = 60^o and ∠BAC = 40^o, then∠ BCD =                               

One angle of a cyclic quadrilateral is 60^o.Then its opposite angle is 

Cyclic parallelogram is a 

In the given figure A, B and C are three points on a circle with centre O such that ∠BOC = 40^o and ∠AOB = 50^o.If D is a point on the circle other than the arc ABC, then ∠ADC =