Question

    From her home facing south west, Kavita walks 15

    m and turns northward and walks 12 m. How far was she from her home, which was her starting point ?
    A 9 m Correct Answer Incorrect Answer
    B 8 m Correct Answer Incorrect Answer
    C 5 m Correct Answer Incorrect Answer
    D 4 m Correct Answer Incorrect Answer

    Solution

    Required distance: CA =`sqrt(AB^2-BC^2)` =`sqrt(15^2-12^2)` =`sqrt81` = 9

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