In triangle PQR, PS is perpendicular to QR and S divides QR... — Quantitative Techniques and Data Interpretation 2021

Question 536 Quantitative Techniques and Data Interpretation 2021 Medium MCQ +4.00 marks · -1.00 negative

In triangle PQR, PS is perpendicular to QR and S divides QR in the ratio of 3 : 1 internally. If PQ = 21 and PR = 9, find QR.

A. 18√5 B. 16√5 C. 15√5 D. 12√5

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