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In the following diagram A and B are the...

In the following diagram A and B are the centres of the two different circles.

PQR is a common tangent. Poinis A, B, and R lie on the straight line.
Distance between A and B is 25 cm and the distance between P and Q is 24 cm. Diameter of the larger circle is 24 cm.
What is the ratio of `AB : BR` ?

A

A. `7:5`

B

B. `7:6`

C

C. `7:10`

D

D. data insufficient

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