Subject

    Bank Exam

    Topic

    Janata, Sonali & Agrani Bank Recruitment 2008

    City B is 8 miles east of City A. City C is 6 miles north of city B. City D is 16 miles east of City C and City E is 12 miles North of City D. What is the distance from City A to City E?

    ক)
    10 miles
    খ)
    20 miles
    গ)
    24 miles
    ঘ)
    30 miles

    Explanation

    By law of Right angle triangle, we can find oiut the distance of AC and CE. Thus, the entire distance from A to E. Now, AC = √(AB2 + CB2) = √(82 + 62) = √(64 + 36) = √(100) = 10 Again, CE = √(CD2 + DE2) = √(162 + 122) = √( 256+ 144) = √(400) = 20 Thus, AE = AC+ CE = 10 + 20 = 30 miles

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