Multiple Choice Questions on a b c and abc 30 then what is the value of a 3 b 3 ndash c 3 ........ for SSC CHSL Preparation

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Multiple Choice Questions

a b c and abc 30 then what is the value of a 3 b 3 ndash c 3 ........

Quantitative Aptitude (CHSL) Algebra
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    a+b = c and abc = 30, then what is the value of a^3 + b^3 – c^3 ?

    60

    Incorrect Answer

    90

    Incorrect Answer

    -90

    Correct Answer

    -60

    Incorrect Answer
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    Explanation:

    Answer
    C)-90
    Explanation :a^3 + b^3 – c^3 = -3(abc) = -3(30) = -90

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