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  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
    A father divides Rs. 5100 between his two sons, Mohan and Sohan who are 23 and 24 at present in such a way that if their shares are invested at compound interest @ 4% p.a., they will receive equal amount on attaining the age of 26 years. Mohan's share is

    A)  Rs. 2400          

    B)  Rs. 2500

    C)  Rs. 2550          

    D)  Rs. 2600

    Correct Answer: B

    Solution :

    [b] \[(1+r)=1+\frac{1}{25}=\frac{26}{25}\] Let Mohan and Sohan receives Rs. x and Rs. y respectively at present. Then \[\frac{x}{y}={{\left( \frac{26}{25} \right)}^{2-3}}={{\left( \frac{26}{25} \right)}^{-1}}=\frac{25}{26}\] \[\therefore \] Mohan?s share\[=\frac{25}{51}\times Rs.\,\,5100=Rs.\,\,2500\]


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