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10th Class Mathematics Related to Competitive Exam Question Bank Commercial Mathematics

  • question_answer
    How much should money lender lend at simple rate of interest of 15% in order to have Rs. 3234 at the end of \[1\frac{1}{2}\] years ?

    A)  Rs. 1640         

    B)         Rs. 2620

    C)  Rs. 2610        

    D)         Rs. 2640  

    Correct Answer: D

    Solution :

     Let the required money be x. Then, \[\left( x+\frac{x\times 15}{100}\times \frac{3}{2} \right)=3234\]                 or            \[\frac{49x}{40}=3234\]                 or            \[x=\left( \frac{3234\times 40}{49} \right)=2640\]


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