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Banking Sample Paper IBPS Clerk (Main) Sample Paper Test-1

  • question_answer
    Train A crosses a pole in 50 seconds and another Train B crosses it in 1 min and 10 sec. The length of Train A is one-third the length of Train B. What is the ratio of the speed of Train A to that of Train B?

    A)  5:9                              

    B)  7:15                

    C)    15:13  

    D)    17:15       

    E)  7:11

    Correct Answer: B

    Solution :

    Let the length of Train B be x m. Then, length of train \[A=\frac{x}{3}m\] Now, ratio of speed of Train A to that of Train \[B=\left( \frac{x}{3}\div 50 \right):(x\div 70)\] \[=\frac{x}{3\times 50}\times \frac{70}{x}=7:15\]


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