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In the given figure tangents PQ and PR a...

In the given figure tangents PQ and PR are drawn from an external point P to a circle with centre O, such that `/_RPO = 30^@`. A chord RS is drawn parallel to the tangent PQ. Find `/_RQS`.

A

`30^@`

B

`50^@`

C

`45^@`

D

`60^@`

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A
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