Multiple Choice Questions on PQR is a right angled triangle in which ang R 90 deg If RS perp PQ PR 3 cm and RQ 4 cm then what is ........... for SSC CGL Exam Preparation

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Multiple Choice Questions

PQR is a right angled triangle in which ang R 90 deg If RS perp PQ PR 3 cm and RQ 4 cm then what is ...........

Quantitative Aptitude (CGL) Coordinate Geometry
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    PQR is a right angled triangle in which ∠R = 90°. If RS ⊥ PQ, PR = 3 cm and RQ = 4 cm, then what is the value of RS (in cm)?

    12/5

    Correct Answer

    36/5

    Incorrect Answer

    5

    Incorrect Answer

    2.5

    Incorrect Answer
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    Explanation:

    tri PQR is right angled at R.
    By using PYTHAGORAS THEOREM we get PQ=5cm
    now, tri PQR ~ tri PRS
    Therefore, PQ/PR = QR/RS
    RS = 4*3/5
    RS = 12/5

    By: MIRZA SADDAM HUSSAIN
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