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SSC Sample Paper Mock Test-14 SSC CGL Tear-II Paper-1

  • question_answer
    \[\left( \frac{785\times 785\times 785+435\times 435\times 435}{{{(785)}^{2}}+{{(435)}^{2}}-(785)(435)} \right)\]simplifies to

    A) 350      

    B)  785    

    C)  1220   

    D)  1320

    Correct Answer: C

    Solution :

    Let 785 = a and 435 = b \[\therefore \] Expression\[=\frac{{{a}^{3}}+{{b}^{3}}}{{{a}^{2}}+{{b}^{2}}-ab}\] \[=(a+b)=(785+435)=1220\]


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