Question

    A security guard notices a suspect 120 meters ahead and

    starts chasing him. The suspect runs at a speed of 18 m/sec, while the security guard runs at 22 m/sec. How long will it take for the security guard to catch the suspect?
    A 22 sec Correct Answer Incorrect Answer
    B 30 sec Correct Answer Incorrect Answer
    C 18 sec Correct Answer Incorrect Answer
    D 22 sec Correct Answer Incorrect Answer

    Solution

    ATQ,
    The time taken for the security guard to catch the suspect =

    120 / (22 - 18) = 120 / 4 = 30 sec

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