perhaps manhole mouth may be round 

hahaha

Originally posted by : Arniv sharda-precision strikes
	perhaps manhole mouth may be round  hahaha

Ha ha    thanks for reply

But this is really a puzzle....it's not a case of single manhole....this is  a general question,

why govt put round manhole instead of square one....is there is any difference? if yes what it is

don't take it as tricky question...think logically

sir ans in a language of ca would be

Because it's cost effective to produce

hahaha