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NTSE Sample Paper NTSE SAT Practice Test-14

  • question_answer
    Three persons are walking from a place A to another place B. Their speeds are in the ratio of4:3:5. The time ratio to reach B by these persons will be

    A) 4 ; 3 : 5            

    B)        5 : 3 : 4

    C) 15:9:20                        

    D) 15:20:12

    Correct Answer: D

    Solution :

    [d] When the distance remains the same, then time taken is inversely proportional to the speeds. \[\Rightarrow \] Ratio of time taken \[=\frac{1}{4}:\frac{1}{3}:\frac{1}{5}\] = 15 :20: 12


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