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In the diagram two circle (C-I, A) and (...

In the diagram two circle (C-I, A) and (C-II, B) and ABR is a straight line which intersect with common tangent PQR of both circle at point R here AB = 25, PQ = 24, PA = 12

Ratio of AB and bR is

A

`7:5`

B

`7:6`

C

`7:10`

D

None of these

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