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In the given figure , PQRS is a square of side 20cm and SR is extended to point T. If the length of QT is 25cm , then what is the distance between the centres O1 and O2 of the two circles?
<img src="https://www.examcompetition.com/images/2018/ssc-cgl/20-04-2018/20-04-2018_28.JPG" />
<img src="https://www.examcompetition.com/images/2018/ssc-cgl/20-04-2018/20-04-2018_28.JPG" />
- A5√10
- B4√10
- C8√5
- D16√ 2
Answer not set