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SSC Sample Paper Mock Test-14 SSC CGL Tear-II Paper-1

  • question_answer
    A is twice as fast as B and B is thrice as fast as C. The journey covered by C in 42 min will be covered by A in

    A) 7 min

    B)  14 min 

    C)  28 min

    D)  63 min

    Correct Answer: A

    Solution :

    Let C's speed be x m/min. Then, B's speed = 3x m/min and A's speed = 6x m/min Ratio of speeds of A and C = Ratio of times taken by C and A A, \[6x:x=42:y\]min \[\Rightarrow \frac{6x}{x}=\frac{42}{y}\] \[\Rightarrow \]   \[y=\frac{42}{6}\]min = 7 min


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