INFOSYS IISc

INFOSYS IISC(BANGALORE)

questions are not in order

1:there is a robery and four persons are suspected out of them one is
actual thief, these are the senteces said by each one of them!

A: says D had done
B: says A had done
C: says i dddnt done
D: B lied when he said that i am thief
out of these only one man is true remaining are false

ans: C is thef,D is true!
marks 3

2 how many four digit numbers divisible by four can be formed using
1,2,3,4;repetions are not allowed!

ans 6;
marks 4

3 a vender solds two things at same cost 12 RS with one item at 25%profit
and other at 20%loss,by this transaction he made profit or loss by how
much

ans loss,60paise
marks 3

4 two friends A,B are running up hill and then to get down!
length if road is 440 yards A on his return journy met B goin up at
20 yards from top,A has finished the rase .5 minuit earlier than
B,then how much time A had taken to complete the rase.
returning speed is 1.5 times of the upspeed.
ans 6.3 minuits
marks 4

5 barons question diagnostic test question 8-12,5 men and 5 women went for
foot ball match.........

marks 8

6 write a five digit number , which will be having two prime numbers,
and some two more conditions,like 1st digit greater than 2nd etc
its easy(remember one is not a prime number,most people don mistake
taking 1 as prime number)

ans 71842
5 marks

7 two employs were there. employ one says to employ two your work ezxperience
twice as me. emp2 says exactly emp1 but two years before you said that your
work experience is
thrice as me. emp2 yes its also true
what are their work experience

ans 4,8
marks 3

8 ther are four persons A,B,C,D and for languages english ,french,german and
italian.
conditions:

1 only one language is spoken by more than two men
2 A dont know english
3 a man can speak either french or german but not both
4 all man cannot spek in a group(no common language)
5 A can mediate when B and C want to speak with each other
6 each men can speak two languages
7 no common language betweeb A,C and D
ans

A french italian
B german italian
C french english
D german italian
marks 7

9 there are 3 women ,they having three jewells,named diamond emerald,ruby
3 women A,B,C
3 thiefs D,E,F
each thef had taken one jewel from each of the women
following conditions
. one who had taken diamond is the bachelor and most dangerous
. D 's brother in law E who is less dangerous than the thief who had
stolen emerald
(this is the key from this e had stolen ruby)
.D did nt stolen from B
who has stolen what?
ans: F-diamond,D-emerald, E-ruby
marks 7

10 ther were five persons out of which two persons hair went white and three persons hair is black.
conditions
if A 's hair is white then B'hair is white
A,s hair is not black if C's hair is not black

two more conditions
but we can easily solve it from first codition
ans is A and B's hair is white
marks 5

essay
in this age of super computer computer will repalce man!

what is contribution of industry towards humn growth


interview questions!

1 two time glases 7,4 how you measure 9

2 four persons have to cross the bridgeon which at a time two can cross.
they are having one torch
ligt four persons take 1,2,5,10 minuits respectively , when two persons are
going they will take the time of the slowest person. whats the time taken to
cross allof them

ans 17minuits

3 a non uniform rope burns for one hour how you will measure half an hour
ans: lit it from both sides!


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