Q. In ΔPQR, S and T are points on side PQ and PR respectively. ST is parallel to QR. If lengths of PS, SQ and PR are 6 cm, 9 cm and 12.5 cm respectively, what is the length of TR?
A) 5 cm
B) 7.5 cm
C) 2.5 cm
D) 10 cm
✔ Correct Answer: 7.5 cm
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