puzzles

actually i m not remembering wat it is called

so ritu,plz change the subject

ques

1.3 scholars r riding in a railay car.train passes thru tunnel 4 several minutes,and they plunged into darkness.When dey e,merge ,each of dem sees that faces of his collegues are black with the soot that flew in thru d open window.They starts laughing at each other,but,all of a sudden,the smartest of dem realises that his face must be soiled too.How does he arrives at dis conclusion?????

note:plz don't use mirror and all dat

2.A teacher drew several circles on a sheet of paper.Then he asks a stud"how many circles r there????""seven" was d answer."correct,so how many circles are there?",he asks other stid."five"was the answer."absolutely right"said teacher

how many circles were there

3.why covers of mainholes are circular and not of other shapes?????

3rd one is used by perhaps infoss i interviews

nobody answeting

plz keep this alive

2.i think f circles meant "full circles"

3.there is no use me answering this coz i've read it many times earlier and i m sure i kno the exact thing u want (bcoz i also read it with comment "used by perhaps infoss i interviews" )

1....just a guess
mayb he was sitting at the window seat and realised that if others were black he must also be

sorry 4 typo

from where you came to know it,it was put up by my friend

try 1,its very good

i already guess once

is 2 rite??

i couldn't understand your answer for 2

for 1,no its not the answer

ok so now i need to give my ans

y not