Multiple Choice Questions on A ladder 10 m long is leaning against a vertical wall It makes an angle of 60 deg with the ground Ho........... for RRB(NTPC) Exam Preparation

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Multiple Choice Questions

A ladder 10 m long is leaning against a vertical wall It makes an angle of 60 deg with the ground Ho...........

Quantitative Aptitude (RRB NTPC) Height and Distance
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    A ladder 10 m long is leaning against a vertical wall. It makes an angle of 60° with the ground. How far is the foot of the ladder from the wall?

    5m

    Correct Answer

    8.66m

    Incorrect Answer

    17.32m

    Incorrect Answer

    15m

    Incorrect Answer
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    Explanation:
    Distance between B and C 
    = 10 cos 60 
    =10*1/2
    = 5 m

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