Manholes round riddle


Why are manholes round?

SherlockHolmes Expert Asked on 5th November 2018 in General Knowledge.
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  • 1 Answer(s)

    1)   Circular covers don’t need to be rotated or aligned when placing them on the opening . but if you take an example of triangular covers you have got to slightly align in a                particular way to fit in the opening.
    2)   Circular covers never fall inside their opening..but where as if taken an example of square covers , it could fall inside if it is inserted diagonally.

    PANKAJ Genius Answered on 5th November 2018.
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