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Railways RRB (Assistant Loco Pilot & Technician) Solved Paper-2 (2014)

  • question_answer
    The amount of a certain sum at compound interest for 2 year at 5% is Rs. 4410. The sum is

    A)  Rs. 4000                    

    B)  Rs. 4200  

    C)  Rs. 3900                    

    D)  Rs. 3800

    Correct Answer: A

    Solution :

    According to the question, \[4410=P{{\left( 1+\frac{5}{100} \right)}^{2}}\] \[\Rightarrow \]\[P=\frac{4410}{{{\left( \frac{21}{20} \right)}^{2}}}=\frac{4410\times 400}{441}=Rs.\,4000\]


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