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SSC Sample Paper Mock Test-15 SSC CGL Tear-II Paper-1

  • question_answer
    A lent Rs. 5000 to B for 2 yr and Rs. 3000 to C for 4 yr at simple interest at the same rate of interest. He received Rs. 2200, in all, from both of them as interest. The rate of interest per annum was

    A) 5%       

    B)  7%  

    C)  8%      

    D)  10%

    Correct Answer: D

    Solution :

    \[\frac{5000+2\times R}{100}+\frac{3000\times 4\times R}{100}=2200\] \[\Rightarrow \]   \[100R+120R=2200\] \[\Rightarrow \]   \[220R=2200\] \[\Rightarrow \]   \[R=\frac{2200}{220}=10%\]


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