Multiple Choice Questions on the length of sides of a triangle in the ratio 3 4 5 If the perimeter of the triangle is 84cm what i........... for CDS Exam Preparation

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Multiple Choice Questions

the length of sides of a triangle in the ratio 3 4 5 If the perimeter of the triangle is 84cm what i...........

Quantitative Aptitude (CDS) Ratio, Proportion
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    the length of sides of a triangle in the ratio 3:4:5. If the perimeter of the triangle is 84cm, what is the length of the sides of the triangle

     

    24,26,34 (cm)
     

    Incorrect Answer

    21,25,38 (cm)
     

    Incorrect Answer

    22,27,35 (cm)
     

    Incorrect Answer

    21,28,35 (cm)

    Correct Answer
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    Explanation:

    Let the sides of trinagle be 3x, 4x,5x 
    then 3x+4x+5x = 84
    12x=84
    x=7 
    The sides of triangle = 3x,4x,5x=21,28,35

    By: bhavesh kumar singh
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