Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-26

  • question_answer
    The ratio between two numbers is 3 : 4. If each number is increased by 6, then ratio becomes 4 : 5. The difference between the numbers is

    A)  1                    

    B)  3     

    C)  6                    

    D)  8

    Correct Answer: C

    Solution :

    Let the numbers be 3x and 4x. Then, \[\frac{3x+6}{4x+6}=\frac{4}{5}\Rightarrow 5(3x+6)=4(4x+6)\] \[\Rightarrow \]   \[x=(30-45)\Rightarrow x=6\]

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