Placement Papers - Infosys

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INFOSYS PAPER & INTERVIEW - 07 AUG 2005 - CHENNAI

Posted By : Sheeru Rating : +2, -0
First Section
            ----------------
            1) Lusie age is between 54-70.she has sons and each sons has sons as             many brothers they have. The combined number of sons and grandsons             give lusie's age ? how old is she ?                          
                         2) A pigeon sitting on a cathedral tower of height 200m. another             pigeon sitting on another tower of height of 150 m. the distance             between the two towers is 250. in ground. there are some grains, the             birds fly at same speed, and at same instance and reaches the ground             and start to eat grains. how far is the grain in the ground level             from cathedral tower. ( 6 marks )
                           
                         3)on a field, 50 cows were put for fed, which can last grass in 30             days. If 30 cows were put, they can empty the field in 60 days. How             many days 60 cows will take to last the grass ?

                                                                               
                         4) here is a five digit number.
            the fifth one is half of fourth digit,
            there must be two primes ( 1 not considered as prime)
            the second digit is lowest digit
            the third digit is highest.
            1st digit greater than sum of last two digit

            5)4 players were playing a card game.Cards had different colours on             both sides. Neither of cards has same colour on both sides. Colours             were 2 Red,2 Blue,2 Green, 2 yellow.Cards were lying in front of             each player.Now ,each playere knew the colour on other side of card.             They are required to tell their colour.
            Statement given by each of them are
            Annie: Blue or green
            Bobby: Neither Blue nor Green
            Cindy:Blue or Yellow
            Dainny:Blue or yellow
            Colour of cards that are visible to all were Red, Yellow,Green, Blue             in order of names.Exactly two of them are telling truth and exactly             two of them are telling are lieing ? can you tell the colour on             other face of card for each player ( 8 marks )  

            6) A software enginner starts his walking at 3 PM from point A, he             walks at the rate of 4km/hr in plains and 3km/hr in hill to reach             the point B.During his return journey, he walks at the rate of             6km/hr in hill and 4km/hr in plains and reaches point A at 9.P.M.             what is the distance between A and B ?  
           
            7)
            XXX
            YYY
            ZZZ
            ------------
            YXXZ
            ------------
           
            What is the value of X, Y,Z ?

            8)A 1 k.m long wire is held by n poles. if one pole is removed, the             length of gap is increased by 5/3 meters. What is the number of             poles initially.
           
            9) andrew beat jim, Davis,elite lost to jim, jack was beaten by jim.             Jim beats davis. elite is not last. (sorry i forgot exact order )
 
             
                         10) one 8 mark question based on language they speak. There are four             persons. Each persons speaking only two language
            conditions: nobody speak both German and France. William donno English but he             act as interpreter b/w Jacob and Jim Jacob know German and some             conditions. we have to answer what the two languages they speak ?
            Jacob William Jim Andrew
           
 
             
                          English section
            ------------------
                                                     
                         This section also has cutoff. one who know grammar and English language, can easily make.
           
            1)passage and questions based on that
            2) choosing wrong statement
            3) choosing correct statement
            4 )tense filling (like.. is sitting, was sitting, sit )
            5) fill in the blanks with correct phrase.
           
            Answers:
            ----------
-
            1)64 condition given : Lusie age should fall between 54-70
            suppose if she has 8 sons .
            each son has 7 brother
            each sons has 7 sons (condition given :as many brothers they have)
            8 sons having 56 sons
            adding 56 + 8 =64
           
            2) 90
           
            3) actually I got 120 for the given data.
            I forgot the figures, but i give u the step how to calculate
           
            g - grass at the beginning r - rate at which grass grows, per day y             - rate at which one cow eats grass, per day
            n - no of cows to eat the grass in 90 days
            formula: g+d*r=n*d*y ( I got this from old infosys paper)
           
            g + 30*r = 50 * 30 * y -->(1)
            g + 60*r = 30 * 60 * y--->(2)
            g + d*r = 60 * d * y --->(3)
            frm (1)
            g=1500y-30r
            substitute g in (2)
            1500y-30r+60r=1800y
            30r=300y
            r=10y
            substitute y in (3)
           
            1500y-300y+10dy=60dy
            1200y=50dy
            d=240 days
           
            4)71842

            5) yellow (lie)
            yellow (true)
            blue (true)
            green (lie)
           
            6) 12 K.M
            T1 + T2=6 (3 to 9.p.m)
            T1-time during forward journey
            T2-time during return journey
            D1+D2-forwared/Return distance
            D1/4+D1/3 =T1 (forward time)
            D1/4+D2/6 =T2 (return time)
            Adding we will get D1+D2=12 km
           
            7)x=9 y=1,z=8
            (i tried by assuming y=1 or y=2,(y-carry) i easily got)  

            8) 26 poles
            solution:
            if n poles
            (n-1) gaps of each 1000/(n-1) width
            if n-1 poles
            (n-2) gaps of each 1000/(n-2) width
            so
            1000/(n-2) -1000/(n-1)=5/3
            1000(1/(n-2) -1/(n-1))=5/3
            1000(1/(n-1)(n-2))=5/3
            (n-1)(n-2)=(3/5)*1000=600
            as 600=25*24
            so number of poles should be 26
           
            9)andrew
             
                         
            10) easy analytical u can solve it.
             
           
            I cleared written and attend interview on the next day.
           
            Date of Interview:08.08.2005
            Venue: Infosys head office, sholinganallur, chennai.
            Time :10.20 A.M
            --------------------------------------------------
           
            1)tell something about ur native place
            2)tell something about ur project
            3)who is leader
            4)what motivates u
            5)how u organize a event
            6)ur extra curricular activities
            7)if u r made principal of ur college what changes u would do ?
            puzzle section
            8)easy number sequence..
            9) a ^b +b ^a =786
            a ? b ?
            10)any questions ?
           
            tats all
           
            -------------------------
            Tips to clear written test:
            1) 2005 infoysys test papers (must)
            2) 2004 infosys test papers (must)
            3) solved infy questions (must)
            4) puzzle to puzzle u by shakuntala devi (must)
            5)more puzzles --(optional )
           


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