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Railways Sample Paper RRB (Assistant Loco Pilot & Technician) Sample Test Paper-7

  • question_answer
    If a number is reduced by 40 % it becomes two-third of another number. What is the ratio of the first number to the second number?

    A)  10:9                            

    B)  8:9

    C)  9:8                              

    D)  9:10

    Correct Answer: A

    Solution :

     \[\frac{x\,\,\,\,60}{100}=y\,\,\frac{2}{3}\]  \[\Rightarrow \]\[x\,\,\,\,\frac{3}{5}=\,y\,\,\,\frac{2}{3}\]  \[\Rightarrow \]\[\frac{x}{y}=\frac{2}{3}\,\,\,\,\,\,\frac{5}{3}=\,\frac{10}{9}\]


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