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A circle C whose radius is 1 unit, touch...

A circle C whose radius is 1 unit, touches the x-axis at point A. The centre Q of C lies in first quadrant. The tangent from origin O to the circie touches it at T and a point P lies on it such that `DeltaOAP` is a right angled triangle at A and its perimeter is 8 units. The length of `QP` is

A

`1/2`

B

`4/3`

C

`5/3`

D

none of these

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The correct Answer is:
C
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