Average speed of train riddle

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A train is going at a speed of 60kmph towards Delhi and returned back at a speed of 30kmph. What is its average speed?
How many different 3 letter words can be formed that have at least one vowel?

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  • 1 Answer(s)

    40KMPH

    VAMSIBOB Starter Answered on 18th July 2018.
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