2. Sample Papers
  3. Railways
  4. Quantitative Aptitude
  5. Compound Interest

Railways Quantitative Aptitude Compound Interest Sample Paper Simple Interest & Compund Interest Sample Test Paper-15

  • question_answer
    An amount is lent at 15% p.a. compound interest for 2 years. The percent increase in the amount at the end of 2 years is

    A)  22.5% 

    B)  30%    

    C)  32.25%

    D)  35.5%

    Correct Answer: C

    Solution :

    [c] In 2 years, Rs. 1 will become \[{{\left( 1+\frac{15}{100} \right)}^{2}}\] times of Itself \[={{\left( \frac{115}{100} \right)}^{2}}\]times of itself \[=\frac{13225}{10000}\] times of itself \[\therefore \] Increase\[=\frac{13225}{10000}-1=\frac{3225}{10000}=32.25%\]


You need to login to perform this action.
You will be redirected in 3 sec spinner