A man goes from A to B at a uniform speed of 12 kmph and returns with a uniform speed of 4 kmph. His average speed (in kmph ) for the whole journey is :1). 82). 7.53). 64). 4.5

A man goes from A to B at a uniform speed of 12 kmph and returns with

1.	A man goes from A to B at a uniform speed of 12 kmph and returns with a uniform speed of 4 kmph. His average speed (in kmph ) for the whole journey is :1). 82). 7.53). 64). 4.5
Answer» Its TOUGH but OPTION 3 SEEMS CORRECT

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A man goes from A to B at a uniform speed of 12 kmph and returns with a uniform speed of 4 kmph. His average speed (in kmph ) for the whole journey is :1). 82). 7.53). 64). 4.5

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