2. Sample Papers
  3. Railways

Railways Sample Paper RRB (Group D) Sample Test Paper-4

  • question_answer
    In certain years a sum of money is doubled itself at \[6\frac{1}{4}%\] simple interest per annum, then the required time will be

    A)  \[12\frac{1}{2}\] Year  

    B)  8 year

    C)  \[10\frac{2}{3}\] years  

    D)  16 years

    Correct Answer: D

    Solution :

     Let x be the principal amount 'y' be the time to double the money. Then interest will also be 'x'. \[\therefore \,\,\,x=\frac{x\times 25\times y}{4\times 100}\] \[400=25y\] \[y=16\,\,Year\]


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