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SSC Sample Paper Mock Test-4 SSC CGL Tear-II Paper-1

  • question_answer
    Out of a sum of Rs. 640, a part was lent at 6% simple interest and the other at 9% simple interest. If the interest on the first part after 3 yr is equal to the interest on the second part after 6 yr, then what is the second part?

    A)  Rs. 120            

    B)  Rs. 140

    C)  Rs. 160

    D)  Rs. 180

    Correct Answer: C

    Solution :

    Let first part be Rs. x, then second part is Rs. \[(640-x).\] By given condition,                      \[\frac{x\times 3\times 6}{100}=\frac{(640-x)\times 6\times 9}{100}\] \[\Rightarrow \]   \[4x=640\times 3\]\[\Rightarrow \]\[x=\]Rs. 480 \[\therefore \]Required second part = Rs.\[(640-480)\] = Rs.160            


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