
Originally Posted by
gARN
Manhole Covers. Why is it better to have round manhole covers than square ones? [NOTE: This is logical rather than lateral, but it is a good puzzle which can be solved by lateral thinking techniques. It is supposedly used by a very well-known software company as an interview question for prospective employees]
Ans: Aside from the abovementioned reason, which is the most logical one, another point to consider is transporting the manhole cover.. Manhole covers are made of iron which is weighty.. Hence, manhole covers have a round shape for easy transport since you can roll 'em..ú