New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    A car is accelerated in such a way that the

    speed is doubled after every minute. This way the car reaches the speed of 160 km/hr at 12:05 pm. If the car was started at 11:57 am, at what time will the car’s speed be 40 km/hr?
    A 12 noon Correct Answer Incorrect Answer
    B 12:01 pm Correct Answer Incorrect Answer
    C 12:02 pm Correct Answer Incorrect Answer
    D 12: 03 pm Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    The speed of the car would be 80 km/hr at 12:04 pm. ∴ the speed of the car would be 40 km/hr at 12:03 pm

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