In the adjoning figure O is the centre o...

In the adjoning figure O is the centre of the circle and AB is the diameter. Tangent PQ touches the circle at D. `angleBDQ=48^@`. Find the ratio of `angleDBA:angleDCB.

A

A. `(22)/(7)`

B

B. `(7)/(22)`

C

C. `(7)/(12)`

D

D. can't be determined

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The correct Answer is:

B

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