Multiple Choice Questions on A triangle has a perimeter of 200 If two of its sides are equal and the third side is 20 more than t........... for RRB(NTPC) Exam Preparation

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Multiple Choice Questions

A triangle has a perimeter of 200 If two of its sides are equal and the third side is 20 more than t...........

Quantitative Aptitude (RRB NTPC) Mensuration 2D
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    A triangle has a perimeter of 200. If two of its sides are equal and the third side is 20 more than the equal sides, what is the length of the third side?

    60

    Incorrect Answer

    50

    Incorrect Answer

    80

    Correct Answer

    70

    Incorrect Answer
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    Explanation:
    x + x +x + 20 = 200
    3x = 180
    x = 60
    ∴ Third side = 60 + 20 = 80

    By: Barka Mirza
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