Lateral Thinking Puzzle: Mystery of Round Manhole Covers

This extraordinary lateral thinking question will make you think outside the box. Why are manhole covers round? Can you answer this intriguing riddle?

Can you answer this lateral thinking puzzle that "Why are manhole covers round"?
Lateral Thinking Puzzle: Mystery of Round Manhole Covers




The answer to this "Lateral Thinking Question", can be viewed by clicking on the button. Please do give your best try before looking at the answer.

2 comments:

Balo Baba said...

Is it because the when we use other shapes like rectangles or squares, they can rotate about diagonals and fall down?


Rajesh Kumar said...

Yes, you are right. Diagonal will bigger than side for a square or rectangular shape and these can fall down along the diagonals if rotated.